China GBT G20Cr2Mn2Mo China structural steel and alloy steel and G20Cr2Mn2Mo Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Structure Steel | G20Cr2Mn2Mo | GBT | China | China structural steel and alloy steel |
GCr4 |
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GCr15 |
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GCr15SiMn |
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GCr15SiMo |
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GCr18Mo |
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G20CrMo |
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G20CrNiMo |
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G20CrNi2Mo |
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G20Cr2Ni4 |
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G10CrNi3Mo |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | Cu(%) |
---|---|---|---|---|---|---|---|---|
0.17-0.23 | 0.15-0.40 | 1.30-1.60 | 0.03 | 0.03 | 1.70-2.00 | Max 0.30 | 0.20-0.30 | Max 0.25 |
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) |
---|---|---|---|---|---|---|
865 (≥) | 756 (≥) | 41 | 42 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
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 | - | - | 0.41 | - | |||
164 | 972 | - | 24.3 | 311 | - | ||
436 | - | 14 | 32.2 | 133 | 134 |
Heat treated : 1677°C - 1556°C
Grade | Standard | Country | Application |
---|---|---|---|
G20Cr2Mn2Mo | GBT | China | China structural steel and alloy steel |
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