International ISO ISO 683-15 (1992), NiCr15Fe7TiAl 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 | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | NiCr15Fe7TiAl | 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 | Al | Fe | Nb+Ta | Ti |
---|---|---|---|---|---|---|---|---|---|---|---|
0.03 -0.10 | ≤0.50 | ≤0.50 | ≤0.015 | ≤0.015 | 14.00 -17.00 | ≤0.15 | remaining - ≥ | 1.10 -1.35 | 5.00 -9.00 | 0.70 -1.20 | 2.00 -2.60 |
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) |
---|---|---|---|---|---|---|
416 (≥) | 666 (≥) | 34 | 21 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
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 | - | - | 0.13 | - | |||
276 | 974 | - | 33.3 | 144 | - | ||
954 | - | 23 | 12.2 | 233 | 233 |
Heat treated : 1298°C - 1549°C
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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