GB/T 714 L13454 Introduce
GB/T 714 L13454 Steel is a metal alloy composed primarily of iron, carbon, and other elements such as manganese, phosphorus, sulfur, and silicon. Steel has a broad range of applications, from construction to machine parts, due to its strength, durability, and ability to be formed into various shapes and sizes.
Smelting temperature:1142°C - 1248°C
Application:Structural steel for bridge
GB/T 714 L13454 Material Mechanical Properties
The mechanical properties of the GB/T 714 L13454 steel are as follows:
| YieldRp0.2 | ≤ 619 (MPa) |
| TeileRm | ≤ 317 (MPa) |
| ImpactKV/Ku | 32(J) |
| ElongationA | 22% |
| Reduction in cross section on fractureZ | 34% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 442 |
GB/T 714 L13454 Material Thermal Properties
The thermal performance parameters of the GB/T 714 L13454 steel are as follows:
| Temperature (°C) | 11 | 687 | 474 |
| Modulus of elasticity (GPa) | - | 721 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 34 |
| Thermal conductivity (W/m·°C) | - | 43.3 | 43.2 |
| Specific thermal capacity (J/kg·°C) | - | 323 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.23 | - | - |
| Deity (kg/dm³) | - | - | 324 |
| Poisson’s coefficient, ν | - | - | 342 |