International ISO ISO 683-15 (1992), X85CrMoV18-2 Specialsteel Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | X85CrMoV18-2 | Martensite | ISO | International | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines |
C | Si | Mn | P | S | Cr | Mo | Ni | V |
---|---|---|---|---|---|---|---|---|
0.80 -0.90 | ≤1.00 | ≤1.50 | ≤0.040 | ≤0.030 | 16.50 -18.50 | 2.00 -2.50 | ≤ ≥ | 0.30 -0.60 |
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) |
---|---|---|---|---|---|---|
797 (≥) | 517 (≥) | 22 | 31 | 32 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.12 | - | |||
783 | 766 | - | 14.3 | 441 | - | ||
828 | - | 42 | 42.2 | 234 | 342 |
Heat treated : 1513°C - 1444°C
Grade | Standard | Country | Application |
---|---|---|---|
X85CrMoV18-2 | |||
X85CrMoV18-2 |
ISO 683-15 (1992) | Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines | ISO-683-15-(1992).pdf |
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