GB 713 22Mng Introduce
GB 713 22Mng is a type of steel primarily used in shipbuilding and pressure vessels. This low-carbon steel is incredibly versatile with a variety of mechanical and chemical properties that make it ideal for use in a range of applications. The primary elements in GB 713 22Mng are iron, carbon, manganese, phosphorus, silicon, aluminum, nickel, chromium, and molybdenum. Each of these elements contributes to the chemical and physical properties of the steel.
Smelting temperature:1144°C - 1317°C
Application:Steel plate for boiler
GB 713 22Mng Material Mechanical Properties
The mechanical properties of the GB 713 22Mng steel are as follows:
| YieldRp0.2 | ≤ 254 (MPa) |
| TeileRm | ≤ 841 (MPa) |
| ImpactKV/Ku | 42(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 33% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 322 |
GB 713 22Mng Material Thermal Properties
The thermal performance parameters of the GB 713 22Mng steel are as follows:
| Temperature (°C) | 12 | 711 | 421 |
| Modulus of elasticity (GPa) | - | 911 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 44 |
| Thermal conductivity (W/m·°C) | - | 44.3 | 24.2 |
| Specific thermal capacity (J/kg·°C) | - | 132 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.24 | - | - |
| Deity (kg/dm³) | - | - | 411 |
| Poisson’s coefficient, ν | - | - | 424 |