International ISO ISO/TR 4956, X20CrMoNiNbV11-1 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 | X20CrMoNiNbV11-1 | Bainite | ISO | International | Wrought steels for use at elevated temperatures in engines |
C | Si | Mn | P | S | Cr | Mo | Ni | V | B | N |
---|---|---|---|---|---|---|---|---|---|---|
0.16 -0.24 | 0.10 -0.50 | 0.30 -1.00 | ≤0.030 | ≤0.030 | 10.00 -12.00 | 0.50 -1.00 | 0.30 -1.00 | 0.20 -0.50 | ≤0.008 | ≤0.10 |
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) |
---|---|---|---|---|---|---|
963 (≥) | 498 (≥) | 14 | 23 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 114 |
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 | - | - | 0.34 | - | |||
217 | 861 | - | 11.3 | 232 | - | ||
623 | - | 31 | 44.2 | 124 | 331 |
Heat treated : 1877°C - 1769°C
ISO/TR 4956 | Wrought steels for use at elevated temperatures in engines | ISO-TR-4956.pdf |
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