USA AMS SA-790/SA-790M, SA-790 S32750 Specialsteel Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-790 S32750 | Duplex steel | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.03 | ≤1.20 | ≤0.80 | ≤0.035 | ≤0.02 | 24.00 -26.00 | 6.00 -8.00 | 3.00 -5.00 | 0.24 -0.32 | ≤0.50 |
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) |
---|---|---|---|---|---|---|
638 (≥) | 652 (≥) | 21 | 33 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 242 |
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 | - | - | 0.23 | - | |||
545 | 597 | - | 14.3 | 214 | - | ||
335 | - | 24 | 12.2 | 343 | 232 |
Heat treated : 1117°C - 1734°C
SA-790/SA-790M | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe | SA-790-SA-790M.pdf |
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