USA UNS SAE J 470 (1976), Kovar Specialsteel Wrought Nickel and Nickel-Related Alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | Kovar | Precipitation-Hardening | UNS | USA | Wrought Nickel and Nickel-Related Alloys |
C | Si | Mn | Ni | Cr | Al | Cu | Ti | Fe | Mo | Co | W | Mg | Zr |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.04 | ≤0.20 | ≤0.50 | ≤29.00 | ≤0.20 | ≤0.10 | ≤0.20 | ≤0.10 | ≤53.00 | ≤0.20 | ≤17.00 | ≤ ≥ | ≤0.10 | ≤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) |
---|---|---|---|---|---|---|
844 (≥) | 839 (≥) | 14 | 22 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 143 |
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 |
---|---|---|---|---|---|---|---|
34 | - | - | 0.32 | - | |||
951 | 495 | - | 13.3 | 223 | - | ||
258 | - | 21 | 34.2 | 213 | 444 |
Heat treated : 1245°C - 1741°C
Grade | Standard | Country | Application |
---|---|---|---|
KOVAR |
SAE J 470 (1976) | Wrought Nickel and Nickel-Related Alloys | SAE-J-470-(1976).pdf |
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