{"id":1019,"date":"2025-03-04T17:21:18","date_gmt":"2025-03-04T09:21:18","guid":{"rendered":"https:\/\/jblstainless.com\/?post_type=product&p=1019"},"modified":"2025-07-14T17:14:01","modified_gmt":"2025-07-14T09:14:01","slug":"tubo-sem-costura-de-aco-inoxidavel-304","status":"publish","type":"product","link":"https:\/\/jblstainless.com\/pt\/304-stainless-steel-seamless-pipe\/","title":{"rendered":"Tubo sem costura de a\u00e7o inoxid\u00e1vel 304"},"content":{"rendered":"
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O tubo sem costura de a\u00e7o inoxid\u00e1vel 304 \u00e9 uma longa tira de a\u00e7o sem juntas soldadas, com sec\u00e7\u00e3o oca e sem costuras, geralmente feita de tarugo redondo s\u00f3lido atrav\u00e9s de aquecimento, perfura\u00e7\u00e3o e trefila\u00e7\u00e3o a frio ou lamina\u00e7\u00e3o a quente. O processo de fabrica\u00e7\u00e3o \"sem costura\" garante uma estrutura uniforme sem juntas soldadas, tornando o tubo 304 mais forte, mais dur\u00e1vel e mais adequado para aplica\u00e7\u00f5es de alta press\u00e3o e alta temperatura.<\/p>

O a\u00e7o inoxid\u00e1vel 304 \u00e9 o tipo de a\u00e7o inoxid\u00e1vel mais utilizado na ind\u00fastria, pertence \u00e0 fam\u00edlia dos a\u00e7os inoxid\u00e1veis austen\u00edticos, cont\u00e9m 18% de cr\u00f3mio e 8% de n\u00edquel, oferecendo uma excelente resist\u00eancia \u00e0 corros\u00e3o. O a\u00e7o inoxid\u00e1vel 304 \u00e9 altamente resistente \u00e0 ferrugem, \u00e0 oxida\u00e7\u00e3o e \u00e0s manchas, o que o torna ideal para ambientes expostos \u00e0 humidade, a produtos qu\u00edmicos e a temperaturas extremas.<\/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

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Especifica\u00e7\u00e3o do tubo de a\u00e7o inoxid\u00e1vel 304<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Nome do produto<\/td>Tubo de a\u00e7o inoxid\u00e1vel<\/td><\/tr>
Material<\/td>201\/304\/304L\/316\/316L\/317\/317L\/321\/309\/309S\/310S\/410\/430\/904L\/2205, etc.<\/td><\/tr>
Forma<\/td>Redondo, Quadrado, Retangular, Oval, ou personalizado<\/td><\/tr>
Acabamento (superf\u00edcie)<\/td>Tubo de a\u00e7o anti-corros\u00e3o 3PE nu, preto, esbatido<\/td><\/tr>
Espessura<\/td>0,3mm-30mm<\/td><\/tr>
Di\u00e2metro<\/td>6mm-630mm<\/td><\/tr>
Comprimento<\/td>1000mm-6000mm, ou personalizado<\/td><\/tr>
Fim<\/td>Extremidade lisa, extremidade biselada, ranhurada<\/td><\/tr>
Tratamento de superf\u00edcie<\/td>NO.4,BA,8K,HL,2B,ou conforme os requisitos<\/td><\/tr>
Normas<\/td>AISI\/ASTM\/ASME\/JIS\/SUS\/DIN\/GB<\/td><\/tr>
Aplica\u00e7\u00e3o<\/td>Para condutas de transporte, estruturas de engenharia, equipamento t\u00e9rmico, ind\u00fastria petroqu\u00edmica,
fabrico de m\u00e1quinas, perfura\u00e7\u00e3o geol\u00f3gica, equipamento de alta press\u00e3o, etc.<\/td><\/tr>
Servi\u00e7o adicional<\/td>As dimens\u00f5es ou o di\u00e2metro e o comprimento dos tubos de a\u00e7o inoxid\u00e1vel podem ser personalizados,
Se precisar, n\u00e3o hesite em contactar-nos para mais informa\u00e7\u00f5es<\/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>\n\t\t
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Arco de corte<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Fatia<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Entalhamento<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Abertura<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tamb\u00e9m pode ser utilizado para dobragem de tubos de a\u00e7o inoxid\u00e1vel, perfura\u00e7\u00e3o, corte sem rebarbas, corte oco, alargamento, contra\u00e7\u00e3o e outros servi\u00e7os de processamento.<\/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<\/div>\n\t\t\t\t<\/div>\n\t\t

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O a\u00e7o inoxid\u00e1vel 304 \u00e9 um a\u00e7o inoxid\u00e1vel austen\u00edtico, composto principalmente por cr\u00f3mio (Cr) e n\u00edquel (Ni), que desempenham um papel vital no a\u00e7o inoxid\u00e1vel 304.<\/p>

O cr\u00f3mio \u00e9 o elemento mais abundante no a\u00e7o inoxid\u00e1vel 304, com cerca de 18%. O cr\u00f3mio reage com o oxig\u00e9nio no ar para formar uma pel\u00edcula fina e resistente de \u00f3xido de cr\u00f3mio (pel\u00edcula de passiva\u00e7\u00e3o) na superf\u00edcie, que impede a oxida\u00e7\u00e3o adicional e pode auto-reparar-se, melhorando assim significativamente a resist\u00eancia \u00e0 corros\u00e3o. A presen\u00e7a de cr\u00f3mio permite que o a\u00e7o inoxid\u00e1vel 304 resista \u00e0 corros\u00e3o em ambientes neutros a fracamente oxidantes, como o \u00e1cido sulf\u00farico dilu\u00eddo, o \u00e1cido ac\u00e9tico e outros meios.<\/p>

O n\u00edquel \u00e9 um elemento formador de austenite que pode alterar a estrutura cristalina do a\u00e7o de ferrite para austenite. Esta estrutura confere ao a\u00e7o inoxid\u00e1vel 304 uma boa plasticidade, soldabilidade e tenacidade. A adi\u00e7\u00e3o de n\u00edquel melhora significativamente a resist\u00eancia \u00e0 corros\u00e3o do a\u00e7o inoxid\u00e1vel 304 a \u00e1cidos n\u00e3o oxidantes e solu\u00e7\u00f5es de cloreto, especialmente em ambientes neutros a fracamente redutores.<\/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

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Tubo sem costura de a\u00e7o inoxid\u00e1vel 304 Composi\u00e7\u00e3o qu\u00edmica\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Elemento<\/p><\/td>

SS 304<\/p><\/td><\/tr>

Ni<\/p><\/td>

8.0 - 11.0<\/p><\/td><\/tr>

C<\/p><\/td>

0.08<\/p><\/td><\/tr>

Mn<\/p><\/td>

2.0 max<\/p><\/td><\/tr>

P<\/p><\/td>

0,045 max<\/p><\/td><\/tr>

S<\/p><\/td>

0,03 max<\/p><\/td><\/tr>

Si<\/p><\/td>

1,0 max<\/p><\/td><\/tr>

Cr<\/p><\/td>

18.0 - 20.0<\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Tubo de a\u00e7o inoxid\u00e1vel sem costura 304 Propriedades mec\u00e2nicas \n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Elemento<\/td>SS 304<\/td><\/tr>
Densidade<\/td>8,0 g\/cm3<\/sup><\/td><\/tr>
Ponto de fus\u00e3o<\/td>1400 \u00b0C (2550 \u00b0F)<\/td><\/tr>
Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td>Psi - 75000 , MPa - 515<\/td><\/tr>
Resist\u00eancia ao escoamento (0,2%Offset)<\/td>Psi - 30000 , MPa - 205<\/td><\/tr>
Alongamento<\/td>35 %<\/td><\/tr>
Alongamento<\/td>35 %<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Tubo de a\u00e7o inoxid\u00e1vel 304 Propriedades f\u00edsicas <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Grau<\/td>Densidade (kg\/m3<\/sup>)<\/td>M\u00f3dulo de elasticidade (GPa)<\/td>Coeficiente m\u00e9dio de expans\u00e3o t\u00e9rmica (m\/m\/0<\/sup>C)<\/td>Condutividade t\u00e9rmica (W\/m.K)<\/td>Calor espec\u00edfico 0-1000<\/sup>C (J\/kg.K)<\/td>Resistividade el\u00e9ctrica (n.m)<\/td><\/tr>
0-1000<\/sup>C<\/td>0-3150<\/sup>C<\/td>0-5380<\/sup>C<\/td>a 1000<\/sup>C<\/td>em 5000<\/sup>C<\/td><\/tr>
304<\/td>8000<\/td>193<\/td>17.2<\/td>17.8<\/td>18.4<\/td>16.2<\/td>21.5<\/td>500<\/td>720<\/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>\n\t\t
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Carater\u00edstica do tubo sem costura 304<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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1. resist\u00eancia superior \u00e0 corros\u00e3o<\/strong>
O tubo sem costura de a\u00e7o inoxid\u00e1vel 304 tem boa resist\u00eancia \u00e0 corros\u00e3o numa variedade de ambientes, incluindo ambiente atmosf\u00e9rico, ambiente aqu\u00e1tico e ambiente de certas subst\u00e2ncias qu\u00edmicas.<\/p>

2. propriedades mec\u00e2nicas<\/strong>
Tem uma elevada resist\u00eancia \u00e0 tra\u00e7\u00e3o, resist\u00eancia ao escoamento e alongamento, capaz de suportar press\u00f5es e tens\u00f5es elevadas.<\/p>

3. propriedades t\u00e9rmicas<\/strong>
O a\u00e7o 304 pode ainda manter boas propriedades mec\u00e2nicas e integridade estrutural a altas temperaturas.<\/p>

4.Processamento Desempenho<\/strong>
F\u00e1cil de cortar, soldar e moldar, com uma superf\u00edcie lisa e brilhante, adequada para v\u00e1rias aplica\u00e7\u00f5es industriais.<\/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

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304 Graus equivalentes de material\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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PADR\u00c3O<\/td>WERKSTOFF NR.<\/td>UNS<\/td>JIS<\/td>AFNOR<\/td>BS<\/td>GOST<\/td>PT<\/td><\/tr>
SS 304<\/td>1.4301<\/td>S30400<\/td>SUS 304<\/td>Z7CN18-09<\/td>304S31<\/td>08\u042518\u041d10<\/td>X5CrNi18-10<\/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>\n\t\t
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Aplica\u00e7\u00f5es do tubo de a\u00e7o sem costura 304<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Os tubos sem costura de a\u00e7o inoxid\u00e1vel 304 s\u00e3o utilizados numa vasta gama de ind\u00fastrias, incluindo:<\/p>

  • Petr\u00f3leo e g\u00e1s: Transporte de petr\u00f3leo, g\u00e1s e outros fluidos.<\/li>
  • Processamento de produtos qu\u00edmicos: Manuseamento de \u00e1cidos, \u00e1lcalis e outros materiais corrosivos.<\/li>
  • Alimentos e bebidas: Garantir a produ\u00e7\u00e3o e o armazenamento higi\u00e9nicos.<\/li>
  • Produtos farmac\u00eauticos: Manuten\u00e7\u00e3o de ambientes est\u00e9reis.<\/li>
  • Constru\u00e7\u00e3o: Construir estruturas duradouras e esteticamente agrad\u00e1veis.<\/li>
  • Setor autom\u00f3vel: Fabrico de sistemas de escape e linhas de combust\u00edvel.<\/li><\/ul>\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<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

    O tubo sem costura de a\u00e7o inoxid\u00e1vel 304 \u00e9 uma longa tira de a\u00e7o sem juntas soldadas, com sec\u00e7\u00e3o oca e sem costuras, geralmente feita de tarugo redondo s\u00f3lido atrav\u00e9s de aquecimento, perfura\u00e7\u00e3o e estiramento a frio ou lamina\u00e7\u00e3o a quente.<\/p>\n

      \n
    1. Resist\u00eancia superior \u00e0 corros\u00e3o<\/li>\n
    2. Alta resist\u00eancia e durabilidade<\/li>\n
    3. Excelente formabilidade e soldabilidade<\/li>\n<\/ol>","protected":false},"featured_media":979,"template":"","meta":{"_eb_attr":""},"product_brand":[],"product_cat":[30],"product_tag":[48,44,47,49],"class_list":{"0":"post-1019","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-stainless-steel-seamless-pipe","7":"product_tag-304-pipe","8":"product_tag-304-seamless-pipe","9":"product_tag-304-stainless-steel-pipe","10":"product_tag-seamless-stainless-steel-pipe","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product\/1019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":27,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product\/1019\/revisions"}],"predecessor-version":[{"id":1867,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product\/1019\/revisions\/1867"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/media\/979"}],"wp:attachment":[{"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/media?parent=1019"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product_brand?post=1019"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product_cat?post=1019"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jblstainless.com\/pt\/wp-json\/wp\/v2\/product_tag?post=1019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}