USA AMS SA-312/SA-312M, SA-312 S31254 Specialsteel Specification for Seamless and Welded Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-312 S31254 | Austenite | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.02 | ≤1.00 | ≤0.80 | ≤0.03 | ≤0.01 | 19.50 -20.50 | 17.50 -18.50 | 6.00 -6.50 | 0.50 -1.00 | 0.18 -0.22 |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
364 (≥) | 738 (≥) | 44 | 22 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
11 | - | - | 0.43 | - | |||
885 | 814 | - | 11.3 | 431 | - | ||
325 | - | 43 | 41.2 | 113 | 122 |
Heat treated : 1279°C - 1527°C
Grade | Standard | Country | Application |
---|---|---|---|
254SMO | |||
254SMO(S31254) | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 | |||
S31254 |
SA-312/SA-312M | Specification for Seamless and Welded Austenitic Stainless Steel Pipes | SA-312-SA-312M.pdf |
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