USA AMS SA-312/SA-312M, SA-312 S31725 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 S31725 | Austenite | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
C | Mn | Si | P | S | Cr | Ni | Mo | Cu | N |
---|---|---|---|---|---|---|---|---|---|
≤0.03 | ≤2.00 | ≤0.75 | ≤0.045 | ≤0.03 | 18.00 -20.00 | 13.50 -17.50 | 4.00 -5.00 | ≤0.75 | ≤0.10 |
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) |
---|---|---|---|---|---|---|
812 (≥) | 473 (≥) | 23 | 31 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 432 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.24 | - | |||
164 | 191 | - | 43.3 | 233 | - | ||
896 | - | 43 | 22.2 | 211 | 431 |
Heat treated : 1321°C - 1582°C
SA-312/SA-312M | Specification for Seamless and Welded Austenitic Stainless Steel Pipes | SA-312-SA-312M.pdf |
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