China GBT 12CrMoG China structural steel and alloy steel and 12CrMoG Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Structure Steel | 12CrMoG | GBT | China | China structural steel and alloy steel |
16Mng |
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19Mng |
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13MnNiCrMoNbg |
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13MnNiCrMoNbg |
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12CrlMoVg |
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20G |
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20MnG |
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25MnG |
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15MoG |
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20MoG |
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) |
---|---|---|---|---|---|---|
739 (≥) | 755 (≥) | 12 | 24 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
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 | - | - | 0.31 | - | |||
546 | 448 | - | 14.3 | 424 | - | ||
188 | - | 42 | 33.2 | 221 | 341 |
Heat treated : 1254°C - 1587°C
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