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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