USA SAE A 193/A 193M (2012), A 193 B8M2 Class 2B Specialsteel Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 193 B8M2 Class 2B | Precipitation-Hardening | SAE | USA | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications |
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) |
---|---|---|---|---|---|---|
519 (≥) | 711 (≥) | 24 | 12 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.42 | - | |||
678 | 423 | - | 33.3 | 344 | - | ||
732 | - | 14 | 12.2 | 132 | 222 |
Heat treated : 1319°C - 1933°C
Grade | Standard | Country | Application |
---|---|---|---|
M-22 |
A 193/A 193M (2012) | Standard Specification for Alloy-Steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications | A-193-A-193M-(2012).pdf |
Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...
Rfq.: sales@longhaisteel.com