GS-8MnMo7-4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Mould Steel | GS-8MnMo7-4 | |||
| GS-52 | |||||
| 1.0552 | |||||
| GS-60 | |||||
| 1.0558 | |||||
| GS-16Mn5 | |||||
| 1.1131 | |||||
| GS-20Mn5 | |||||
| 1.1120 | |||||
| GS-8Mn7 | |||||
| 1.5015 | 
| C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | 
|---|---|---|---|---|---|---|
| 0.06-0.10 | 0.60 | 1.50-1.80 | 0.020 | 0.015 | ≤0.20 | |
| Mo | Al | Cu | Nb | Ti | V | Ce | 
| 0.30-0.40 | ≤ 0.05 | ≤ 0.10 | ||||
| N | Co | Pb | B | Other | ||
| ≤ 0.02 | ||||||
| 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) | 
|---|---|---|---|---|---|---|
| 673 (≥) | 631 (≥) | 21 | 24 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 44 | - | - | 0.14 | - | |||
| 817 | 281 | - | 32.3 | 122 | - | ||
| 733 | - | 41 | 23.2 | 243 | 143 | 
Heat treated : 1299°C - 1337°C
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