USA ASTM ASTM A437 B4D Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service1 and ASTM A437 B4D Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | ASTM A437 B4D | ASTM | USA | Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service1 |
1.8940 |
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S890Q |
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1.8983 |
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S890QL |
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1.8941 |
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S960Q |
|||||
13CrMo44 |
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ASP 2053 |
|||||
ASTM A437 B4B |
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ASTM A437 B4CB |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | Al(%) |
---|---|---|---|---|---|---|---|---|---|
0.36-0.44 | 0.20-0.35 | 0.45-0.70 | ≤0.04 | ≤0.04 | 0.80-1.15 | 0.50-1.00 | 0.50-0.65 | 0.25-0.35 | ≤0.015 |
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) |
---|---|---|---|---|---|---|
541 (≥) | 714 (≥) | 11 | 21 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
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 | - | - | 0.31 | - | |||
991 | 746 | - | 11.3 | 344 | - | ||
197 | - | 23 | 32.2 | 324 | 214 |
Heat treated : 1798°C - 1756°C
Grade | Standard | Country | Application |
---|---|---|---|
ASTM A437 B4B | ASTM | USA | Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service1 |
ASTM A437 B4CB | ASTM | USA | Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service1 |
ASTM A437 B4D | ASTM | USA | Standard Specification for Stainless and Alloy-Steel Turbine-Type Bolting Specially Heat Treated for High-Temperature Service1 |
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