USA AMS SA-789/SA-789M, SA-789 S32760 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 S32760 | 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 |
|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤1.00 | ≤1.00 | ≤0.03 | ≤0.01 | 24.00 -26.00 | 6.00 -8.00 | 3.00 -4.00 |
| 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) |
|---|---|---|---|---|---|---|
| 383 (≥) | 433 (≥) | 13 | 24 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
| 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 | - | - | 0.24 | - | |||
| 156 | 416 | - | 42.3 | 342 | - | ||
| 767 | - | 42 | 31.2 | 313 | 244 |
Heat treated : 1519°C - 1791°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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