GB HPb59-3 GB/T 5231 Introduction
Our company has established long-term and stable cooperative relations with China Iron and Steel Association, Iron and Steel Association and iron and steel enterprises all over the year, ensuring the production of high-quality GB HPb59-3 GB/T 5231 steel and giving preferential prices. Our GB HPb59-3 GB/T 5231 steel products are exported to more than 70 countries and regions overseas and have received good reviews.
Application: Processing copper and copper alloy chemical composition and product shape.
Heat treated: 1454°C - 1563°C.
GB HPb59-3 GB/T 5231 Mechanical Properties
| 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) |
|---|---|---|---|---|---|---|
| 511 (≥) | 678 (≥) | 34 | 41 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 441 |
GB HPb59-3 GB/T 5231 Physical Properties
Physical properties of GB HPb59-3 GB/T 5231 are mainly indicated by modulus of electrical resistance value, thermal conductivity, specific thermal capacity, coefficient of thermal expansion, elasticity, poisson's ratio, density, etc.
| 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 |
|---|---|---|---|---|---|---|---|
| 33 | - | - | 0.34 | - | |||
| 977 | 216 | - | 44.3 | 424 | - | ||
| 932 | - | 13 | 32.2 | 314 | 131 |
