USA SAE A 790/A 790M (2013), 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 | ≤0.04 | 21.50 -24.50 | 3.00 -5.50 | 0.05 -0.60 | 0.05 -0.20 | 0.05 -0.60 |
| 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) |
|---|---|---|---|---|---|---|
| 266 (≥) | 247 (≥) | 42 | 22 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 443 |
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.14 | - | |||
| 959 | 589 | - | 22.3 | 122 | - | ||
| 969 | - | 33 | 14.2 | 442 | 231 |
Heat treated : 1887°C - 1592°C
| A 790/A 790M (2013) | Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe | A-790-A-790M-(2013).pdf |
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