SAE J775 Grade HEV-7
Equivalent material: AISI HEV-7, UNS S66286, DIN 1.4980, DIN X5NiCrTi26-15, DIN X6NiCrTiMoVB25-15-2, AFNOR X6NiCrTiMoVB25-15-2, BS X6NiCrTiMoVB25-15-2, AISI 660, SAE 660, JIS SUS616, JIS SUH660, EN X6NiCrTiMoVB25-15-2, EN 1.4980, ISO X6NiCrTiMoVB25-15-2, ISO 4606-661-86-X, ISO 4980-662-86-X, ISO PM42J, ASTM Grade 660
SAE J775 Grade HEV-7 general
| Property |
Temperature |
Value |
| Density |
23.0 °C |
Density of 7.91 g/cm³ |
SAE J775 Grade HEV-7 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
760.0 °C |
Coefficient of thermal expansion of 1.5E-5 1/K |
The mentioned value is between 20°C and the mentioned temperature |
SAE J775 Grade HEV-7 chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.35 % |
| Boron |
Boron of 0.001 - 0.01 % |
| Carbon |
Carbon of 0.08 % |
| Chromium |
Chromium of 13.5 - 16 % |
| Iron |
Iron of 49.14 - 59.5 % |
| Manganese |
Manganese of 2 % |
| Molybdenum |
Molybdenum of 1 - 1.5 % |
| Nickel |
Nickel of 24 - 27 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.03 % |
| Titanium |
Titanium of 1.9 % |
| Vanadium |
Vanadium of 0.1 - 0.5 % |
SAE J775 Grade HEV-7 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
Typical for Steel |
| Hardness, Brinell |
760.0 °C |
Hardness, Brinell of 120 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 49 % |
- |
| - |
650.0 °C |
Reduction of area of 14 % |
- |
| - |
760.0 °C |
Reduction of area of 23 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 1030 MPa |
- |
| - |
650.0 °C |
Tensile strength of 720 MPa |
- |
| - |
760.0 °C |
Tensile strength of 440 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 700 MPa |
- |
| - |
650.0 °C |
Yield strength of 610 MPa |
- |
| - |
760.0 °C |
Yield strength of 340 MPa |
- |
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