China GBT L53452 China structural steel and alloy steel and L53452 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Structure Steel | L53452 | GBT | China | China structural steel and alloy steel |
Q345GNH |
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Q345GNHL |
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Q390GNH |
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L52350 |
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L52950 |
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L53550 |
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L54600 |
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L52951 |
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L52952 |
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L53451 |
C(%) | Si(%) | Mn(%) | S(%) | Cr(%) | Ni(%) | Cu(%) |
---|---|---|---|---|---|---|
Max 0.12 | 0.25-0.75 | 0.20-0.50 | 0.035 | 0.30-1.25 | Max 0.65 | 0.25-0.55 |
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) |
---|---|---|---|---|---|---|
935 (≥) | 256 (≥) | 22 | 43 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 132 |
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 | - | - | 0.44 | - | |||
446 | 183 | - | 11.3 | 342 | - | ||
713 | - | 11 | 24.2 | 213 | 414 |
Heat treated : 1441°C - 1839°C
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