USA SAE A 789/A 789M (2013), A 789 S32550 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 S32550 | 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 |
---|---|---|---|---|---|---|---|---|---|
≤0.04 | ≤1.50 | ≤1.00 | ≤0.04 | ≤0.03 | 24.00 -27.00 | 4.50 -6.50 | 2.00 -4.00 | 0.10 -0.25 | 1.50 -2.50 |
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) |
---|---|---|---|---|---|---|
348 (≥) | 379 (≥) | 41 | 11 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 142 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.23 | - | |||
563 | 368 | - | 41.3 | 424 | - | ||
375 | - | 23 | 31.2 | 414 | 131 |
Heat treated : 1748°C - 1594°C
Grade | Standard | Country | Application |
---|---|---|---|
Ferralium255(S32550) | |||
Ferralium255(S32550) | |||
S32550 | |||
S32550 | |||
S32550 |
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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