{"id":3347,"date":"2026-07-10T16:54:17","date_gmt":"2026-07-10T08:54:17","guid":{"rendered":"https:\/\/jblstainless.com\/?post_type=product&#038;p=3347"},"modified":"2026-07-10T16:55:08","modified_gmt":"2026-07-10T08:55:08","slug":"q355-high-strength-low-alloy-structural-steel-plate","status":"publish","type":"product","link":"https:\/\/jblstainless.com\/es\/q355-high-strength-low-alloy-structural-steel-plate\/","title":{"rendered":"Q355 high strength low alloy structural steel Plate"},"content":{"rendered":"\t\t<div data-elementor-type=\"product-post\" data-elementor-id=\"3347\" class=\"elementor elementor-3347\" data-elementor-post-type=\"product\">\n\t\t\t\t<div class=\"elementor-element elementor-element-073d944 e-flex e-con-boxed e-con e-parent\" data-id=\"073d944\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-50b085f elementor-widget__width-initial elementor-widget elementor-widget-eael-creative-button\" data-id=\"50b085f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-\" href=\"https:\/\/jblstainless.com\/contact\/\" data-text=\"Go!\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Q355B<\/span>\n\n                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9a6621 elementor-widget__width-initial elementor-widget elementor-widget-eael-creative-button\" data-id=\"b9a6621\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-\" href=\"https:\/\/jblstainless.com\/contact\/\" data-text=\"Go!\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Q355C<\/span>\n\n                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b5fe0dd elementor-widget__width-initial elementor-widget elementor-widget-eael-creative-button\" data-id=\"b5fe0dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-\" href=\"https:\/\/jblstainless.com\/contact\/\" data-text=\"Go!\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Q355D<\/span>\n\n                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ced6a84 elementor-widget__width-initial elementor-widget elementor-widget-eael-creative-button\" data-id=\"ced6a84\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-\" href=\"https:\/\/jblstainless.com\/contact\/\" data-text=\"Go!\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Q355E<\/span>\n\n                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-148afa9 elementor-widget__width-initial elementor-widget elementor-widget-eael-creative-button\" data-id=\"148afa9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-creative-button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t        <div class=\"eael-creative-button-wrapper\">\n\n            <a class=\"eael-creative-button eael-creative-button--default eael-cb-icon-position-\" href=\"https:\/\/jblstainless.com\/contact\/\" data-text=\"Go!\">\n            \t    \n                <div class=\"creative-button-inner\">\n\n                    \n                    <span class=\"cretive-button-text\">Q355F<\/span>\n\n                                    <\/div>\n\t                        <\/a>\n        <\/div>\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-50e9996 e-flex e-con-boxed e-con e-parent\" data-id=\"50e9996\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7f41f09 elementor-widget elementor-widget-text-editor\" data-id=\"7f41f09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Q355 high-strength low-alloy structural steel plate holds a significant position in the steel industry due to its excellent performance characteristics and wide range of applications. Q355 comes in various grades, each suitable for different application scenarios. Here, <span style=\"color: #ff6600;\"><strong>&#8220;Q&#8221; stands for yield strength<\/strong><\/span>, &#8220;355&#8221; indicates the minimum yield strength value, while <span style=\"color: #ff6600;\"><strong>&#8220;A,&#8221; &#8220;B,&#8221; &#8220;C,&#8221; &#8220;D,&#8221; and &#8220;E&#8221;<\/strong><\/span> represent the quality grades of the steel plate. This steel plate is manufactured according to the <span style=\"color: #ff6600;\"><strong>GB\/T 1591<\/strong><\/span> standard and delivered in either hot-rolled or normalized condition, with a production thickness ranging from 8 mm to 500 mm.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-27516d6 e-flex e-con-boxed e-con e-parent\" data-id=\"27516d6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-174379c e-con-full e-flex e-con e-child\" data-id=\"174379c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-289047d elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"289047d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Q355A\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-paper-plane\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M440 6.5L24 246.4c-34.4 19.9-31.1 70.8 5.7 85.9L144 379.6V464c0 46.4 59.2 65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355A\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\tQ355A is not subject to impact testing\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7d5d161 e-con-full e-flex e-con e-child\" data-id=\"7d5d161\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16b061d elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"16b061d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Q355B\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-paper-plane\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M440 6.5L24 246.4c-34.4 19.9-31.1 70.8 5.7 85.9L144 379.6V464c0 46.4 59.2 65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355B\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t20\u2103\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8642c71 e-con-full e-flex e-con e-child\" data-id=\"8642c71\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c5c826 elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"2c5c826\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Q355C\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-paper-plane\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M440 6.5L24 246.4c-34.4 19.9-31.1 70.8 5.7 85.9L144 379.6V464c0 46.4 59.2 65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355C\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t0\u2103\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8414c3 e-con-full e-flex e-con e-child\" data-id=\"f8414c3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c40fccb elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"c40fccb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Q355D\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-paper-plane\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M440 6.5L24 246.4c-34.4 19.9-31.1 70.8 5.7 85.9L144 379.6V464c0 46.4 59.2 65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355D\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t-20\u2103\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-30fee9c e-flex e-con-boxed e-con e-parent\" data-id=\"30fee9c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-115378d e-con-full e-flex e-con e-child\" data-id=\"115378d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fbb6e9c elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"fbb6e9c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" class=\"elementor-icon\" tabindex=\"-1\" aria-label=\"Q355E\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-far-paper-plane\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M440 6.5L24 246.4c-34.4 19.9-31.1 70.8 5.7 85.9L144 379.6V464c0 46.4 59.2 65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355E\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t-40\u2103\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bece6b3 e-con-full e-flex e-con e-child\" data-id=\"bece6b3\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-beae46f elementor-view-default elementor-position-block-start elementor-mobile-position-block-start elementor-widget elementor-widget-icon-box\" data-id=\"beae46f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-box.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-icon-box-wrapper\">\n\n\t\t\t\t\t\t<div class=\"elementor-icon-box-icon\">\n\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" 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65.5 86.6 28.6l43.8-59.1 111.9 46.2c5.9 2.4 12.1 3.6 18.3 3.6 8.2 0 16.3-2.1 23.6-6.2 12.8-7.2 21.6-20 23.9-34.5l59.4-387.2c6.1-40.1-36.9-68.8-71.5-48.9zM192 464v-64.6l36.6 15.1L192 464zm212.6-28.7l-153.8-63.5L391 169.5c10.7-15.5-9.5-33.5-23.7-21.2L155.8 332.6 48 288 464 48l-59.4 387.3z\"><\/path><\/svg>\t\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t<div class=\"elementor-icon-box-content\">\n\n\t\t\t\t\t\t\t\t\t<h3 class=\"elementor-icon-box-title\">\n\t\t\t\t\t\t<a href=\"https:\/\/jblstainless.com\/contact\/\" >\n\t\t\t\t\t\t\tQ355D-Z15\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<p class=\"elementor-icon-box-description\">\n\t\t\t\t\t\t-20\u2103\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-58b1ac4 e-flex e-con-boxed e-con e-parent\" data-id=\"58b1ac4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-869bc8c elementor-widget elementor-widget-text-editor\" data-id=\"869bc8c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: center;\"><span style=\"color: #ff6600;\">Q355 What are the differences between different models?<\/span><\/h4><h3><span style=\"color: #000000;\">Common Model Comparison Table<\/span><\/h3><table><thead><tr><th align=\"left\">Model example<\/th><th align=\"left\">impact temperature<\/th><th align=\"left\">P\/S Upper limit (typical\uff09<\/th><th align=\"left\">Condition of Delivery<\/th><th align=\"left\">applicable scene<\/th><\/tr><\/thead><tbody><tr><td align=\"left\">\u200c<strong>Q355A<\/strong><\/td><td align=\"left\"><strong>no requirement<\/strong><\/td><td align=\"left\">P\u22640.045%, S\u22640.045%<\/td><td align=\"left\">hot rolling<\/td><td align=\"left\">Normal temperature static load structure, non-critical components<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355B<\/strong>\u200c<\/td><td align=\"left\">20\u2103<\/td><td align=\"left\">P\u22640.040%, S\u22640.040%<\/td><td align=\"left\">Hot rolling\/controlled rolling<\/td><td align=\"left\">General dynamic load structure at normal temperature<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355C<\/strong>\u200c<\/td><td align=\"left\">0\u2103<\/td><td align=\"left\">P\u22640.035%, S\u22640.035%<\/td><td align=\"left\">Hot rolling\/normalizing<\/td><td align=\"left\">General low-temperature environments (such as buildings in the north\uff09<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355D<\/strong>\u200c<\/td><td align=\"left\">-20\u2103<\/td><td align=\"left\">P\u22640.030%, S\u22640.030%<\/td><td align=\"left\">normalizing (N)\/TMCP (M)<\/td><td align=\"left\">Bridges, vehicles and pressure vessels in cold regions<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355E<\/strong>\u200c<\/td><td align=\"left\">-40\u2103<\/td><td align=\"left\">P\u22640.025%, S\u22640.025%<\/td><td align=\"left\">normalizing (N)\/TMCP (M)<\/td><td align=\"left\">Extremely cold regions, important welded structures, offshore platforms<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355NB<\/strong>\u200c<\/td><td align=\"left\">20\u2103<\/td><td align=\"left\">same as Grade B<\/td><td align=\"left\">\u200cNormalizing\/Normalized rolling\u200c<\/td><td align=\"left\">High-resilience scenarios where organizational uniformity needs to be guaranteed<\/td><\/tr><tr><td align=\"left\">\u200c<strong>Q355NE-Z35<\/strong>\u200c<\/td><td align=\"left\">-40\u2103<\/td><td align=\"left\">same as Grade E<\/td><td align=\"left\">Normalizing + \u200cZ direction 35%\u200c<\/td><td align=\"left\">Key parts for thick plate welding and prevention of layered tearing<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4791e2e elementor-widget elementor-widget-text-editor\" data-id=\"4791e2e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">Yield strength: \u2265 335 &#8211; 355 MPa <\/span><br \/><span style=\"color: #ff6600;\">Tensile strength: 450 &#8211; 630 MPa<\/span><br \/><span style=\"color: #ff6600;\">Post-rupture elongation: \u2265 21% <\/span><br \/><span style=\"color: #ff6600;\">Impact energy: \u2265 34 J<\/span><br \/><span style=\"color: #ff6600;\">Density: 7.85 g\/cm\u00b3<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a82555 elementor-widget elementor-widget-wpforms\" data-id=\"7a82555\" data-element_type=\"widget\" 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src=\"https:\/\/jblstainless.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Cargando\"><\/div><\/form><\/div>  <!-- .wpforms-container -->\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d1dc01b e-flex e-con-boxed e-con e-parent\" data-id=\"d1dc01b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0af230e elementor-widget elementor-widget-text-editor\" data-id=\"0af230e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: center;\"><span style=\"color: #ff6600;\">Regarding the selection of Q355 Steel Plate, what suggestions will JBL Company give you?<\/span><\/h4><p><span style=\"color: #ff6600;\">Thickness affects strength:<\/span> The yield strength of the model decreases as the thickness of the sheet increases (for example, \u2265 355 MPa when \u2264 16mm, \u2265 345 MPa when &gt; 16 &#8211; 40mm). The selection of materials requires checking the specific thickness groups.<\/p><p><br \/><span style=\"color: #ff6600;\">Substitution principle:<\/span> Higher grades can substitute lower grades (such as E for D), but the reverse is not allowed; the performance in the normalizing state (N) is better than that in the ordinary hot-rolled state. Key stressed components are recommended to specify the &#8220;N&#8221; suffix.<\/p><p><br \/><span style=\"color: #ff6600;\">Special requirements:<\/span> For large-thickness welded structures, attention should be paid to whether the &#8220;Z&#8221; direction indicators are included; in low-temperature environments, it is necessary to match the corresponding impact temperature grade, and the yield strength alone should not be considered.<\/p><h4 style=\"text-align: center;\"><span style=\"color: #ff6600;\">Q355 Steel Variability Dimension<\/span><\/h4><p><span style=\"color: #ff6600;\">Quality grade and impact temperature:<\/span> The suffix letters A-E represent different requirements for low-temperature impact toughness. Grade A has no impact requirement, while grades B\/C\/D\/E correspond to impact tests at 20\u2103\/0\u2103\/-20\u2103\/-40\u2103 respectively.<\/p><p><br \/><span style=\"color: #ff6600;\">Chemical composition control:<\/span> The higher the grade (A\u2192E), the stricter the limit on phosphorus (P) and sulfur (S) content (for example, P is reduced from \u22640.045% to \u22640.025%). Grades C\/D\/E usually require the addition of grain refiner elements (Al \u2265 0.015%).<\/p><p><br \/><span style=\"color: #ff6600;\">Prefix of delivery condition:<\/span> Without a prefix or &#8220;AR&#8221; indicates hot-rolled; &#8220;N&#8221; represents annealed\/annealed rolling (with a more uniform structure and better toughness); &#8220;M&#8221; indicates TMCP (thermal mechanical control process); &#8220;Q355B&#8221; is default hot-rolled, &#8220;Q355NB&#8221; requires annealed state.<\/p><p><br \/><span style=\"color: #ff6600;\">Suffix of Z-direction performance:<\/span> If &#8220;-Z15\/25\/35&#8221; is present, it indicates the grade of anti-layered tearing performance in the thickness direction, with the numbers representing the minimum value of the cross-sectional contraction rate %, which is superimposed independently of the quality grade.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6dcfc4 elementor-align-center elementor-widget elementor-widget-button\" data-id=\"f6dcfc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/jblstainless.com\/contact\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Click the button and learn more<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-96972dd elementor-widget elementor-widget-text-editor\" data-id=\"96972dd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: center;\"><span style=\"color: #ff6600;\">What different types of profiles can be made from Q355?<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c9968f1 e-flex e-con-boxed e-con e-parent\" data-id=\"c9968f1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-566d126 e-con-full e-flex e-con e-child\" data-id=\"566d126\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-48dc951 elementor-widget elementor-widget-image\" data-id=\"48dc951\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2.jpeg\" class=\"attachment-large size-large wp-image-3390\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Steel-Plate-2-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98255a7 elementor-widget elementor-widget-text-editor\" data-id=\"98255a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #ff6600;\">H-shaped steel:<\/span>Q355 Low Alloy High Strength Structural Steel With wide\/narrow flanges and specially designed for beams and columns, it possesses excellent bidirectional bending resistance and is suitable for large-span factories and high-rise columns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0f14734 e-con-full e-flex e-con e-child\" data-id=\"0f14734\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43c8cce elementor-widget elementor-widget-image\" data-id=\"43c8cce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate.jpeg\" class=\"attachment-large size-large wp-image-3388\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-high-strength-low-alloy-structural-steel-Plate-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e3184b elementor-widget elementor-widget-text-editor\" data-id=\"0e3184b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">I Beam:<\/span>The single-sided bending resistance performance is outstanding, and Q355 Steel it is commonly used in load-bearing structures such as beams and columns.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a4cf479 e-con-full e-flex e-con e-child\" data-id=\"a4cf479\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-40f2945 elementor-widget elementor-widget-image\" data-id=\"40f2945\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel.jpeg\" class=\"attachment-large size-large wp-image-3387\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Low-temperature-resistant-steel-Q355-steel-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-39eb2f3 elementor-widget elementor-widget-text-editor\" data-id=\"39eb2f3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>angle iron:<\/strong>Q355 Steel Plate comes in both equilateral and irregular specifications and is widely used in trusses, support frames and connection components.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3387532 e-con-full e-flex e-con e-child\" data-id=\"3387532\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6e79fc2 elementor-widget elementor-widget-image\" data-id=\"6e79fc2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel.jpeg\" class=\"attachment-large size-large wp-image-3389\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Low-Alloy-High-Strength-Structural-Steel-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7d6930 elementor-widget elementor-widget-text-editor\" data-id=\"a7d6930\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">U-steel:<\/span>Low temperature resistant steel Q355 steel It is divided into ordinary channel steel and cold-rolled inner-wrapped-edge channel steel, which are suitable for roof trusses, equipment supports and U-shaped structures.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-351beb8 e-con-full e-flex e-con e-child\" data-id=\"351beb8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-045bc5a elementor-widget elementor-widget-image\" data-id=\"045bc5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel.jpeg\" class=\"attachment-large size-large wp-image-3402\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Quality-Carbon-Steel-Plate-Flat-Steel-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3964ebd elementor-widget elementor-widget-text-editor\" data-id=\"3964ebd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">Round Bar:<\/span>Black Iron Sheet Q355 Hot Rolled Mild Carbon Steel Plate Iron Sheets Often used for steel structure columns and pipe trusses\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6d5eec0 e-con-full e-flex e-con e-child\" data-id=\"6d5eec0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cd057e2 elementor-widget elementor-widget-image\" data-id=\"cd057e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets.jpeg\" class=\"attachment-large size-large wp-image-3401\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Black-Iron-Sheet-Q355-Hot-Rolled-Mild-Carbon-Steel-Plate-Iron-Sheets-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc3f73e elementor-widget elementor-widget-text-editor\" data-id=\"dc3f73e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">square steel pipe:<\/span>Hot Rolled Q355 Low Alloy Steel Plate Including welded square tubes, rectangular tubes and seamless square-rectangular tubes, they possess both pressure-bearing and torsion-resisting properties, and are used for curtain wall frameworks, guardrails and mechanical racks.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-7096f19 e-flex e-con-boxed e-con e-parent\" data-id=\"7096f19\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-c5534e4 e-con-full e-flex e-con e-child\" data-id=\"c5534e4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7ca2cf0 elementor-widget elementor-widget-image\" data-id=\"7ca2cf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate.jpeg\" class=\"attachment-large size-large wp-image-3400\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/Q355-Hot-Rolled-Carbon-Steel-SheetPlate-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0ce3dab e-con-full e-flex e-con e-child\" data-id=\"0ce3dab\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cdba6c elementor-widget elementor-widget-image\" data-id=\"6cdba6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate.jpeg\" class=\"attachment-large size-large wp-image-3403\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate.jpeg 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate-150x150.jpeg 150w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate-12x12.jpeg 12w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate-300x300.jpeg 300w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate-600x600.jpeg 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Astm-Q355-Structural-Sheet-Mild-Carbon-Steel-Plate-100x100.jpeg 100w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-95bdbcf e-flex e-con-boxed e-con e-parent\" data-id=\"95bdbcf\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9590b36 elementor-widget elementor-widget-text-editor\" data-id=\"9590b36\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center;\"><span style=\"color: #ff6600;\">Round steel and flat steel:<\/span> High Strength Astm Q355 Structural Sheet Mild Carbon Steel Plate As basic bar materials or auxiliary connecting materials, they are used to manufacture bolts, shafts or embedded parts.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-33289cf elementor-widget elementor-widget-image\" data-id=\"33289cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--1024x683.png\" class=\"attachment-large size-large wp-image-3416\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--1024x683.png 1024w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--700x467.png 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--768x512.png 768w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--18x12.png 18w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate--600x400.png 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Structural-Steel-Plate-.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-0fd1fb5 e-flex e-con-boxed e-con e-parent\" data-id=\"0fd1fb5\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-92f2c7f elementor-widget elementor-widget-text-editor\" data-id=\"92f2c7f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"color: #ff6600;\">How is the weight of Q355 calculated?<\/span><\/p><p>The density of Q355 Hot Rolled Carbon Steel Sheet\/Plate is <strong><span style=\"color: #000000;\">approximately 7.85 tons per cubic meter<\/span><\/strong>. The calculated weight can be determined by multiplying the thickness, width, length and density of the material.<\/p><p><span style=\"color: #ff6600;\">Main international corresponding brand names\uff1a<\/span><\/p><p><strong>EU standard (EN 10025):<\/strong> S355JR, S355J0, S355J2, S355K2, S355NL, S355ML.<br \/><strong>US standard (ASTM):<\/strong> A572 Gr.50, A633 Gr.C\/D.<br \/><strong>Japanese standard (JIS):<\/strong> SM490YA\/YB.<br \/><strong>German standard (DIN):<\/strong> S355 system.<\/p><p><span style=\"color: #ff6600;\">Q355 Clarify the boundaries between the basic level and the A\/B\/C\/D levels of material selection?<\/span><\/p><p>Without suffixes A\/B\/C\/D, it represents that the standard only assesses normal temperature tensile and cold bending properties, and does not mandate any V-notch impact test at any specific temperature. It is mostly used for secondary load-bearing components in mild temperature environments without continuous severe freezing and thawing.<\/p><p><strong>Southern conventional buildings:<\/strong> Grade A is sufficient <br \/><strong>Winter construction in North China:<\/strong> Choose Grade B <br \/><strong>Extremely cold regions in the northeast\/northwest:<\/strong> Starting at level C <br \/><strong>Offshore platforms \/ polar equipment:<\/strong> Remember D-level: When choosing materials, it&#8217;s not about the more expensive the better; rather, it&#8217;s like tailoring clothes to fit the body &#8211; the suitable one is the best.<\/p><p><span style=\"color: #ff6600;\">In which fields is the High Strength Q355 Steel Plate mainly applied?<\/span><\/p><p>Industrial factory buildings \/ High-rise and super-high-rise buildings \/ Commercial centers \/ Sports venues \/ Airport terminals \/ Steel columns \/ Steel beams \/ Trusses \/ Highway bridges \/ Railway bridges \/ Cross-sea bridges \/ Steel box girders \/ Bridge piers \/ Arch ribs \/ <br \/>Crane \/ Excavator \/ Loader \/ Concrete Pump Truck \/ Mining Machinery \/ Frame \/ Boom \/ Chassis \/ Vehicle Body Structure \/ Boiler Frame \/ Wind Turbine Tower \/ High Voltage Transmission Tower \/ Communication Tower \/ <br \/>Large pipeline supports \/ storage racks \/ inland vessels \/ coastal engineering ships \/ offshore platforms&#8217; auxiliary components \/ blast furnace shells \/ heavy machine tool bases \/ large mold frames \/ agricultural machinery<\/p><p><span style=\"color: #ff6600;\">Q355 Selection Guidelines:<\/span><\/p><ul><li>Clarify design requirements<\/li><li>Service environment<\/li><li>Thickness<\/li><li>Welding process<\/li><li>Comply with standards and specifications<\/li><\/ul><p><span style=\"color: #ff6600;\">Is Q355 steel manganese steel or carbon steel?<\/span><\/p><p>Low-alloy high-strength structural steel <br \/>Q355 neither belongs to pure carbon steel nor high manganese steel; instead, it is classified as low-alloy high-strength structural steel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cc0c032 e-flex e-con-boxed e-con e-parent\" data-id=\"cc0c032\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d7c70e5 elementor-widget elementor-widget-text-editor\" data-id=\"d7c70e5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4 style=\"text-align: center;\"><span style=\"color: #ff6600;\">Stress Variation Curve of Q355 Under Different Temperatures<\/span><\/h4><h5 style=\"text-align: center;\">Allowable stress reference values of Q355 steel at different temperatures (MPa, for the group with thickness \u2264 16mm)<\/h5><table><thead><tr><th align=\"left\">Temperature (\u2103)<\/th><th align=\"left\">Allowable tensile\/compressive stress [\u03c3] (MPa)<\/th><th align=\"left\">remark<\/th><\/tr><\/thead><tbody><tr><td align=\"left\">\u200c<strong>-20 ~ 20<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>215<\/strong>\u200c<\/td><td align=\"left\">At normal temperature and low temperature, the yield strength is taken 355MPa\uff0c[\u03c3]\u2248355\/1.5\u2248237\uff0cstandard is rounded to the nearest whole number 215<\/td><\/tr><tr><td align=\"left\">\u200c<strong>100<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>205<\/strong>\u200c<\/td><td align=\"left\">As the temperature rises, the strength slightly decreases<\/td><\/tr><tr><td align=\"left\">\u200c<strong>200<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>189<\/strong>\u200c<\/td><td align=\"left\">Significantly reduced<\/td><\/tr><tr><td align=\"left\">\u200c<strong>300<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>170<\/strong>\u200c<\/td><td align=\"left\">\u00a0<\/td><\/tr><tr><td align=\"left\">\u200c<strong>350<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>158<\/strong>\u200c<\/td><td align=\"left\">\u00a0<\/td><\/tr><tr><td align=\"left\">\u200c<strong>400<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>142<\/strong>\u200c<\/td><td align=\"left\">\u00a0<\/td><\/tr><tr><td align=\"left\">\u200c<strong>450<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>124<\/strong>\u200c<\/td><td align=\"left\">\u00a0<\/td><\/tr><tr><td align=\"left\">\u200c<strong>500<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>104<\/strong>\u200c<\/td><td align=\"left\"><div class=\"target-container\"><p class=\"target color_text_1\">high-temperature section drops sharply<\/p><\/div><\/td><\/tr><tr><td align=\"left\">\u200c<strong>550<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>78<\/strong>\u200c<\/td><td align=\"left\">Approaching the critical failure zone<\/td><\/tr><tr><td align=\"left\">\u200c<strong>\u2265600<\/strong>\u200c<\/td><td align=\"left\">\u200c<strong>&lt;60<\/strong>\u200c<\/td><td align=\"left\">It is usually no longer used as a load-bearing structure<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-063eea4 e-flex e-con-boxed e-con e-parent\" data-id=\"063eea4\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6176435 elementor-widget elementor-widget-image\" data-id=\"6176435\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-1024x683.png\" class=\"attachment-large size-large wp-image-3420\" alt=\"\" srcset=\"https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-1024x683.png 1024w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-700x467.png 700w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-768x512.png 768w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-18x12.png 18w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate-600x400.png 600w, https:\/\/jblstainless.com\/wp-content\/uploads\/2026\/07\/High-Strength-Q355-Steel-Plate.png 1536w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p><span style=\"color: #ff6600;\">Q355 high strength low alloy structural steel Plate<\/span> contains appropriate amounts of alloying elements such as manganese, niobium, and titanium. It exhibits excellent welding properties and low-temperature impact toughness. The content of these alloying elements is relatively low, and the main purpose is to enhance the strength and toughness of the steel.<\/p>\n<p><span style=\"color: #ff6600;\">Q355A<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355B <\/span><br \/>\n<span style=\"color: #ff6600;\">Q355C <\/span><br \/>\n<span style=\"color: #ff6600;\">Q355D <\/span><br \/>\n<span style=\"color: #ff6600;\">Q355E <\/span><br \/>\n<span style=\"color: #ff6600;\">Q355F<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355N<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355M<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355NH<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355NHB<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355ND<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355D-Z15<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355D-Z25<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355D-Z35<\/span><br \/>\n<span style=\"color: #ff6600;\">Q355NE<\/span><\/p>","protected":false},"featured_media":3350,"template":"","meta":{"_eb_attr":""},"product_brand":[],"product_cat":[68],"product_tag":[],"class_list":["post-3347","product","type-product","status-publish","has-post-thumbnail","product_cat-high-strength-steel-plate","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product\/3347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":5,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product\/3347\/revisions"}],"predecessor-version":[{"id":3426,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product\/3347\/revisions\/3426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/media\/3350"}],"wp:attachment":[{"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/media?parent=3347"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product_brand?post=3347"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product_cat?post=3347"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jblstainless.com\/es\/wp-json\/wp\/v2\/product_tag?post=3347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}