USA SAE A 789/A 789M (2013), A 789 S31260 Specialsteel 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 | A 789 S31260 | Duplex steel | SAE | USA | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service |
| C | Mn | Si | P | S | Cr | Ni | Mo | N | Cu | W |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.03 | ≤1.00 | ≤0.75 | ≤0.03 | ≤0.03 | 24.00 -26.00 | 5.50 -7.50 | 2.50 -3.50 | 0.10 -0.30 | 0.20 -0.80 | 0.10 -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) |
|---|---|---|---|---|---|---|
| 992 (≥) | 929 (≥) | 22 | 22 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 422 |
| 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.24 | - | |||
| 974 | 222 | - | 34.3 | 343 | - | ||
| 495 | - | 44 | 24.2 | 134 | 443 |
Heat treated : 1623°C - 1144°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| DP-3(S31260) | |||
| DP-3 | |||
| S31260 | |||
| S31260 | |||
| S31260 |
| A 789/A 789M (2013) | Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service | A-789-A-789M-(2013).pdf |
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