253MA

Standard: 1.4835 / S30815 / F45

Service Temperature: 850–1100°C

Applications: High-temperature equipment, steelmaking, heat-treatment furnaces, kilns, and mineral-processing equipment.

Chemical Composition (%): C: 0.05–0.10; Si: 1.4–2.0; Mn: ≤0.8; P: ≤0.045; S: ≤0.03; Cr: 20–22; Ni: 10–12; N: 0.14–0.20; Ce.

Mechanical Properties: Yield strength ≥270 MPa; tensile strength ≥520 MPa; elongation ≥35%.

XW-10

Standard: XW-10

Service Temperature: 1000–1100°C

Applications: Petrochemical, chemical, fertilizer, and high-temperature industrial equipment.

Chemical Composition (%): C: ≤0.06; Si: ≤1.0; Mn: 4–6; P: ≤0.045; S: ≤0.03; Cr: 20.5–23.5; Ni: 11–13.5; Mo: 1.5–3; N: 0.2–0.4; V: 0.1–0.3; Cb: 0.1–0.3.

Mechanical Properties: Yield strength ≥310 MPa; tensile strength ≥690 MPa; elongation ≥35%.

904L

Standard: 1.4539 / N08904 / S31782

Service Temperature: 196–400°C (as shown in source)

Applications: Chemical and petrochemical equipment, pipelines, valves, and corrosion-resistant fasteners.

Chemical Composition (%): C: ≤0.02; Si: ≤1.0; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 19–23; Ni: 23–28; Mo: 4–5; Cu: 1–2.

Mechanical Properties: Yield strength ≥216 MPa; tensile strength ≥490 MPa; elongation ≥35%.

316LN

Standard: 316LN

Service Temperature: As stated in the original reference

Applications: Chemical processing, power generation, wastewater treatment, shipbuilding, and marine engineering.

Chemical Composition (%): C: ≤0.08; Si: ≤1.0; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 16–18; Ni: 10–14; Mo: 2–3; N: 0.1–0.2.

Mechanical Properties: Yield strength ≥205 MPa; tensile strength ≥515 MPa; elongation ≥30%.

254SMO

Standard: 1.4547 / S31254 / 00Cr20Ni18Mo6CuN

Service Temperature: 196–400°C (as shown in source)

Applications: Seawater systems, chloride-containing environments, chemical processing, and corrosion-resistant equipment.

Chemical Composition (%): C: ≤0.02; Si: ≤0.8; Mn: ≤1.0; P: ≤0.03; S: ≤0.01; Cr: 19.5–20.5; Ni: 17.5–18.5; Mo: 6–7; Cu: 0.5–1.0; N: 0.18–0.25.

Mechanical Properties: Yield strength ≥310 MPa; tensile strength 675–850 MPa; elongation ≥35%.

310S

Standard: S31008 / 1.4845 / 1Cr25Ni20Si2

Service Temperature: Up to 1150°C (as shown in source)

Applications: Furnace components, automotive exhaust systems, high-temperature bolts, nuts, and heat-resistant equipment.

Chemical Composition (%): C: ≤0.08; Si: ≤1.5; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 24–26; Ni: 19–22.

Mechanical Properties: Annealed: yield strength ≥205 MPa; tensile strength ≥515 MPa; elongation ≥30%. Cold-worked: yield strength 300–500 MPa; tensile strength 700–900 MPa; elongation value requires verification.

1.4529

Standard: N08926 / 25-6Mo / 1NiCrMoCuN25-20-7

Service Temperature: Up to 1038°C (as shown in source)

Applications: Chemical plants, marine engineering, energy systems, heat exchangers, pipelines, and valves.

Chemical Composition (%): C: ≤0.02; Si: ≤0.5; Mn: ≤1.0; P: ≤0.03; S: ≤0.01; Cr: 19–21; Ni: 24–26; Mo: 6–7; Cu: 0.5–1.5; N: 0.15–0.25.

Mechanical Properties: Yield strength ≥300 MPa; tensile strength 650–850 MPa; elongation ≥40%.

317L

Standard: S31703 / 1.4438 / 022Cr19Ni13Mo3

Service Temperature: 870°C (as shown in source)

Applications: Chemical processing, welded assemblies, and corrosion-resistant equipment.

Chemical Composition (%): C: ≤0.03; Si: ≤0.75; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 18–20; Ni: 11–15; Mo: 3–4; N: ≤0.1.

Mechanical Properties: Yield strength ≥205 MPa; tensile strength ≥485 MPa; elongation ≥30%.

309S

Standard: S30908 / 1.4833 / 06Cr23Ni13

Service Temperature: 980°C (as shown in source)

Applications: Furnace equipment, heat-treatment equipment, heating components, and high-temperature industrial parts.

Chemical Composition (%): C: ≤0.08; Si: ≤0.75; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 22–24; Ni: 12–15.

Mechanical Properties: Yield strength ≥205 MPa; tensile strength ≥520 MPa; elongation ≥40%.

321H

Standard: S32109 / 1.4878 / 07Cr19Ni11Ti

Service Temperature: 700–800°C (as shown in source)

Applications: Pressure vessels, heat-treatment equipment, aerospace, energy systems, and boiler tubing.

Chemical Composition (%): C: 0.04–0.10; Si: ≤0.75; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 17–19; Ni: 9–12; Ti: 4(C+N)–0.70.

Mechanical Properties: Yield strength ≥205 MPa; tensile strength ≥515 MPa; elongation ≥40%.

304LN

Standard: S30453 / 1.4311 / 022Cr19Ni10N

Service Temperature: 800–900°C (as shown in source)

Applications: Chemical equipment, food-processing equipment, medical equipment, containers, and pipelines.

Chemical Composition (%): C: ≤0.03; Si: ≤0.75; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 18–20; Ni: 8–12; N: 0.1–0.16.

Mechanical Properties: Yield strength 230–870 MPa; tensile strength 580–1160 MPa; elongation 7.8–46%.

N08367

Standard: 1.4478 / X2NiCrMoN25-21-7

Service Temperature: −196 to 400°C (as shown in source)

Applications: Pressure vessels, chemical reactors, heat exchangers, pipelines, and valves.

Chemical Composition (%): C: ≤0.03; Si: ≤0.75; Mn: ≤2.0; P: ≤0.045; S: ≤0.03; Cr: 18–20; Ni: 23–27; Mo: 5–7; N: 0.1–0.16.

Mechanical Properties: Yield strength ≥380 MPa; tensile strength ≥760 MPa; elongation ≥45%.