USA SAE A 988/A 988M (2011), A 988 S32654 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 S32654 | Austenite | SAE | USA | Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service |
C | Mn | Si | P | S | Cr | Ni | Cu | N |
---|---|---|---|---|---|---|---|---|
≤0.02 | 2.00 -4.00 | ≤0.50 | ≤0.03 | ≤0.005 | 24.00 -25.00 | 7.00 -8.00 | 0.30 -0.60 | 0.45 -0.55 |
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) |
---|---|---|---|---|---|---|
449 (≥) | 696 (≥) | 21 | 31 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 332 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.32 | - | |||
632 | 924 | - | 44.3 | 242 | - | ||
211 | - | 13 | 13.2 | 413 | 244 |
Heat treated : 1863°C - 1168°C
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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