USA SAE A 988/A 988M (2011), A 988 S32950 Specialsteel Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 988 S32950 | Duplex steel | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature 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 -0.35 |
| 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) |
|---|---|---|---|---|---|---|
| 369 (≥) | 174 (≥) | 33 | 44 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.33 | - | |||
| 734 | 118 | - | 21.3 | 244 | - | ||
| 229 | - | 23 | 33.2 | 214 | 431 |
Heat treated : 1225°C - 1828°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| S32950 | |||
| S32950 | |||
| 7-Mo PLUS(S32950) | |||
| S32950 |
| A 988/A 988M (2011) | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service | A-988-A-988M-(2011).pdf |
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