USA SAE ASTM A 240/A 240M, A 240 S31266 Specialsteel ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 240 S31266 | Austenite | SAE | USA | ustenitic Chromium Nickel Molybdenum Wolfram Copper Nitrogen Stainless Steel |
| 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) |
|---|---|---|---|---|---|---|
| 747 (≥) | 638 (≥) | 31 | 11 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
| 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 | - | - | 0.43 | - | |||
| 524 | 492 | - | 21.3 | 324 | - | ||
| 216 | - | 32 | 34.2 | 444 | 111 |
Heat treated : 1618°C - 1541°C
| ASTM A 240/A 240M | Cr and Cr-Ni stainless steel plate, sheet, and strip for pressure vessels and for general | ASTM-A-240-A-240M.pdf |
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