USA SAE ASTM A 959, A 959 S31266 Specialsteel Specifying harmonized standard grade compositions for wrought stainless steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 959 S31266 | Austenite | SAE | USA | Specifying harmonized standard grade compositions for wrought stainless steels |
C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N | W |
---|---|---|---|---|---|---|---|---|---|---|
≤0.030 | ≤1.00 | 2.00 -4.00 | ≤0.035 | ≤0.02 | 23.0 -25.0 | 21.0 -24.0 | 5.00 -7.00 | 0.50 -3.00 | 0.35 -0.60 | 1.00 -3.00 |
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) |
---|---|---|---|---|---|---|
321 (≥) | 779 (≥) | 34 | 34 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 442 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.44 | - | |||
829 | 419 | - | 34.3 | 311 | - | ||
428 | - | 34 | 24.2 | 423 | 214 |
Heat treated : 1493°C - 1423°C
ASTM A 959 | Specifying harmonized standard grade compositions for wrought stainless steels | ASTM-A-959.pdf |
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