USA AMS SA-789/SA-789M, SA-789 S32520 Specialsteel Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-789 S32520 | Duplex steel | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.03 | ≤1.50 | ≤0.80 | ≤0.035 | ≤0.02 | 24.00 -26.00 | 5.50 -8.00 | 3.00 -5.00 | 0.20 -0.35 | 0.05 -3.00 |
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) |
---|---|---|---|---|---|---|
353 (≥) | 112 (≥) | 12 | 11 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 413 |
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 |
---|---|---|---|---|---|---|---|
33 | - | - | 0.14 | - | |||
978 | 593 | - | 33.3 | 131 | - | ||
144 | - | 12 | 42.2 | 442 | 324 |
Heat treated : 1886°C - 1453°C
SA-789/SA-789M | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Tubing for General Service | SA-789-SA-789M.pdf |
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