GB 30MnSi GB/T 24587 Introduction
As experienced GB 30MnSi GB/T 24587 supplier, we can not only provide clients with quantity guaranteed GB/T 24587 high-quality products, but also offer good price and equipped with complete after sales service. Besides, there are also a series of added value service, such as information share with clients, including GB 30MnSi GB/T 24587 chemical composition, 30MnSi properties, 30MnSi density, 30MnSi strength, 30MnSi equivalent, etc.
Application: Hot rolled wire rod for prestressed concrete steel bars.
Heat treated: 1142°C - 1261°C.

GB 30MnSi GB/T 24587 Chemical Element
For GB 30MnSi GB/T 24587 datasheet and GB 30MnSi GB/T 24587 chemical composition, please see the table below.
| Element | Min | Max | Similar |
|---|---|---|---|
| Si | 0.7000 | 1.1000 | - |
| S | - | 0.0250 | - |
| P | - | 0.0250 | - |
| Ni | - | 0.2500 | - |
| Mn | 0.9000 | 1.3000 | - |
| Cu | - | 0.2000 | - |
| Cr | - | 0.2500 | - |
| C | 0.2800 | 0.3300 | - |

GB 30MnSi GB/T 24587 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) |
|---|---|---|---|---|---|---|
| 392 (≥) | 356 (≥) | 24 | 22 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 131 |
GB 30MnSi GB/T 24587 Physical Properties
Physical properties of GB 30MnSi GB/T 24587 mainly cover modulus of elasticity, coefficient of thermal expansion, thermal conductivity, specific thermal capacity, electrical resistance value, density, poisson's ratio, 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 |
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.31 | - | |||
| 729 | 412 | - | 21.3 | 122 | - | ||
| 955 | - | 33 | 32.2 | 411 | 123 |







