China GBT L13453 China structural steel and alloy steel and L13453 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Structure Steel | L13453 | GBT | China | China structural steel and alloy steel | 
| Q345q | |||||
| Q345q | |||||
| Q370q | |||||
| Q370q | |||||
| Q370q | |||||
| Q420q | |||||
| Q420q | |||||
| Q420q | |||||
| U32353 | |||||
| U32354 | 
| 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) | 
|---|---|---|---|---|---|---|
| 591 (≥) | 122 (≥) | 21 | 44 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 41 | - | - | 0.23 | - | |||
| 641 | 213 | - | 41.3 | 322 | - | ||
| 155 | - | 33 | 24.2 | 442 | 412 | 
Heat treated : 1557°C - 1624°C
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