China GB GB/T 1221 (1992) , 1Cr12WMoV Specialsteel Heat-resisting steel bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | 1Cr12WMoV | Martensite | GB | China | Heat-resisting steel bars |
C | Si | Mn | P | S | Ni | Cr | Mo | W | V |
---|---|---|---|---|---|---|---|---|---|
0.12 -0.18 | ≤0.50 | 0.50 -0.90 | ≤0.035 | ≤0.030 | 0.40 -0.80 | 11.00 -13.00 | 0.50 -0.70 | 0.70 -1.10 | 0.18 -0.30 |
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) |
---|---|---|---|---|---|---|
841 (≥) | 125 (≥) | 12 | 44 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 |
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 |
---|---|---|---|---|---|---|---|
11 | - | - | 0.14 | - | |||
654 | 588 | - | 13.3 | 343 | - | ||
939 | - | 24 | 24.2 | 232 | 321 |
Heat treated : 1849°C - 1725°C
GB/T 1221 (1992) | Heat-resisting steel bars | GB-T-1221--(1992)-.pdf |
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