USA AMS SA-789/SA-789M, SA-789 S32950 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 S32950 | 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 | N |
---|---|---|---|---|---|---|---|---|
≤0.03 | ≤2.00 | ≤0.60 | ≤0.035 | ≤0.01 | 26.00 -29.00 | 3.50 -5.20 | 1.00 -2.50 | 0.15 -0.25 |
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) |
---|---|---|---|---|---|---|
578 (≥) | 652 (≥) | 23 | 24 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 222 |
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 | - | - | 0.42 | - | |||
796 | 375 | - | 13.3 | 124 | - | ||
975 | - | 33 | 42.2 | 243 | 144 |
Heat treated : 1344°C - 1342°C
Grade | Standard | Country | Application |
---|---|---|---|
7-MoPLUS | |||
S32950 | |||
S32950 | |||
7-Mo PLUS(S32950) | |||
S32950 |
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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