USA AMS SA-193/SA-193M, SA-193 Grade B8M2 Class 2B Specialsteel Specification for Alloy Steel and Stainless Steel Bolting Materials for High-Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | SA-193 Grade B8M2 Class 2B | Precipitation-Hardening | AMS | USA | Specification for Alloy Steel and Stainless Steel Bolting Materials for High-Temperature Service |
C | Si | Mn | Ni | Cr | Al | Cu | Ti | Fe | Mo | Co | Ta | Zr | W |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.13 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤5.70 | ≤6.30 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤2.00 | ≤ ≥ | ≤3.00 | ≤0.60 | ≤11.00 |
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) |
---|---|---|---|---|---|---|
511 (≥) | 223 (≥) | 43 | 33 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 123 |
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 | - | |||
777 | 121 | - | 13.3 | 224 | - | ||
859 | - | 23 | 11.2 | 144 | 233 |
Heat treated : 1916°C - 1921°C
Grade | Standard | Country | Application |
---|---|---|---|
M-22 |
SA-193/SA-193M | Specification for Alloy Steel and Stainless Steel Bolting Materials for High-Temperature Service | SA-193-SA-193M.pdf |
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