China GBT U20152 China structural steel and alloy steel and U20152 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Structure Steel | U20152 | GBT | China | China structural steel and alloy steel |
45Mn |
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50Mn |
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60Mn |
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65Mn |
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70Mn |
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U20080 |
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U20100 |
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U20150 |
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U20082 |
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U20102 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
---|---|---|---|---|---|---|---|
0.12-0.18 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | 0.25 | 0.3 | 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) |
---|---|---|---|---|---|---|
182 (≥) | 342 (≥) | 43 | 43 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
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 | - | - | 0.32 | - | |||
249 | 763 | - | 41.3 | 212 | - | ||
694 | - | 21 | 11.2 | 342 | 211 |
Heat treated : 1564°C - 1433°C
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