USA SAE A 790/A 790M (2011), A 790 S32304 Specialsteel 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 | A 790 S32304 | Duplex steel | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe |
C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu |
---|---|---|---|---|---|---|---|---|---|
≤0.03 | ≤2.50 | ≤1.00 | ≤0.04 | ≤0.03 | 21.50 -24.50 | 3.00 -5.50 | 0.05 -0.60 | 0.05 -0.20 | 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) |
---|---|---|---|---|---|---|
778 (≥) | 398 (≥) | 44 | 23 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 331 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.32 | - | |||
979 | 235 | - | 13.3 | 224 | - | ||
565 | - | 24 | 11.2 | 414 | 421 |
Heat treated : 1159°C - 1236°C
A 790/A 790M (2011) | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe | A-790-A-790M-(2011).pdf |
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