International ISO ISO/TR 4956, X12CrMoV12-6 Specialsteel Wrought steels for use at elevated temperatures in engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | X12CrMoV12-6 | Bainite | ISO | International | Wrought steels for use at elevated temperatures in engines |
C | Si | Mn | P | S | Cr | Mo | Ni | V |
---|---|---|---|---|---|---|---|---|
0.08 -0.18 | ≤0.60 | 0.40 -1.00 | ≤0.035 | ≤0.035 | 11.50 -13.00 | 0.40 -0.80 | ≤1.00 | 0.10 -0.30 |
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) |
---|---|---|---|---|---|---|
832 (≥) | 732 (≥) | 11 | 41 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
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 |
---|---|---|---|---|---|---|---|
14 | - | - | 0.33 | - | |||
336 | 217 | - | 21.3 | 223 | - | ||
985 | - | 34 | 23.2 | 314 | 223 |
Heat treated : 1972°C - 1272°C
ISO/TR 4956 | Wrought steels for use at elevated temperatures in engines | ISO-TR-4956.pdf |
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