USA AMS SA-312/SA-312M, SA-312 TP347LN 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 TP347LN | Precipitation-Hardening | AMS | USA | Specification for Seamless and Welded Austenitic Stainless Steel Pipes |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | V |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0.005 -0.02 | ≤0.75 | ≤2.00 | ≤0.04 | ≤0.03 | 9.00 -13.00 | 17.00 -20.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | 0.06 -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) |
---|---|---|---|---|---|---|
938 (≥) | 186 (≥) | 14 | 21 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
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 |
---|---|---|---|---|---|---|---|
22 | - | - | 0.31 | - | |||
333 | 661 | - | 14.3 | 142 | - | ||
287 | - | 14 | 32.2 | 431 | 341 |
Heat treated : 1435°C - 1687°C
SA-312/SA-312M | Specification for Seamless and Welded Austenitic Stainless Steel Pipes | SA-312-SA-312M.pdf |
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