USA AMS SA-790/SA-790M, SA-790 Type 2507 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 Type 2507 | Precipitation-Hardening | AMS | USA | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe |
C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo | W | V |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.03 | ≤0.08 | ≤1.20 | ≤0.035 | ≤0.02 | 6.00 -8.00 | 24.00 -26.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | 0.24 -0.32 | 3.00 -5.00 | ≤ ≥ | ≤ ≥ |
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) |
---|---|---|---|---|---|---|
876 (≥) | 398 (≥) | 13 | 23 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 |
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 | - | - | 0.14 | - | |||
233 | 341 | - | 12.3 | 311 | - | ||
762 | - | 11 | 21.2 | 323 | 422 |
Heat treated : 1198°C - 1785°C
SA-790/SA-790M | Specification for Seamless and Welded Ferritic /Austenitic Stainless Steel Pipe | SA-790-SA-790M.pdf |
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