International ISO ISO/TR 4956, X6NiCrTiMoVB25-15-2 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 | X6NiCrTiMoVB25-15-2 | Austenite | ISO | International | Wrought steels for use at elevated temperatures in engines |
C | Si | Mn | P | S | Cr | Mo | Ni | V | Ti | B |
---|---|---|---|---|---|---|---|---|---|---|
0.03 -0.08 | ≤1.00 | ≤2.00 | ≤0.025 | ≤0.015 | 13.50 -16.00 | 1.00 -1.50 | 24.00 -27.00 | 0.10 -0.50 | 1.90 -2.30 | 0.003 -0.010 |
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) |
---|---|---|---|---|---|---|
677 (≥) | 584 (≥) | 32 | 41 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 343 |
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 |
---|---|---|---|---|---|---|---|
42 | - | - | 0.41 | - | |||
659 | 393 | - | 14.3 | 234 | - | ||
948 | - | 34 | 44.2 | 222 | 434 |
Heat treated : 1337°C - 1312°C
Grade | Standard | Country | Application |
---|---|---|---|
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15 | |||
X6NiCrTiMoVB25-15-2/X5NiCrTi26-15 |
ISO/TR 4956 | Wrought steels for use at elevated temperatures in engines | ISO-TR-4956.pdf |
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