GB GCr9SiMn GB/T 18254 Introduction
What is GB GCr9SiMn GB/T 18254 steel equivalent? GCr9SiMn plate, GCr9SiMn physical properties, GCr9SiMn Chemical Composition, GCr9SiMn steel mechanical properties, GB european equivalents, GB steel yield strength, GB steel application, GB tensile strength,GB GCr9SiMn GB/T 18254 steel plate Supplier
Application: High carbon chromium bearing steel.
Heat treated: 1266°C - 1936°C.
GB GCr9SiMn GB/T 18254 Chemical
Steel Grade GCr9SiMn composition information, GB GCr9SiMn GB/T 18254 element content, GB GCr9SiMn GB/T 18254 Heat treatment, GB GCr9SiMn GB/T 18254 chemistry
| Element | Min | Max | Similar |
|---|---|---|---|
| C | 1.0000 | 1.1000 | - |
| Mn | 0.9500 | 1.2500 | - |
| P | - | 0.0250 | - |
| S | - | 0.0250 | - |
| Si | 0.4500 | 0.7500 | - |
| Ni | - | 0.3000 | - |
| Cr | 0.9000 | 1.2000 | - |
| Mo | - | 0.0800 | - |
| Cu | - | 0.2500 | - |
| Ni+Cu | - | 0.5000 | - |
GB GCr9SiMn GB/T 18254 Mechanical
More detailed information about GB GCr9SiMn GB/T 18254 steel Mechanical Properties, please refer to the following table:
| 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) |
|---|---|---|---|---|---|---|
| 912 (≥) | 938 (≥) | 23 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
GB GCr9SiMn GB/T 18254 Physical
The following lists give GB GCr9SiMn GB/T 18254 properties such as physical properties, density, thermal expansion.
| 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 |
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.44 | - | |||
| 176 | 971 | - | 44.3 | 134 | - | ||
| 532 | - | 12 | 14.2 | 332 | 211 |
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