ASTM A668 Class J Normalized and tempered, or normalized, quenched, and tempered
Equivalent material: ASTM Class J, ASTM J, UNS K24045
ASTM A668 Class J Normalized and tempered, or normalized, quenched, and tempered general
| Property |
Temperature |
Value |
Comment |
| Density |
20.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Nickel Chromium Molybdenum Steel |
ASTM A668 Class J Normalized and tempered, or normalized, quenched, and tempered thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K |
Typical for Nickel Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Nickel Chromium Molybdenum Steel |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 34 - 54 W/(m·K) |
Typical for Nickel Chromium Molybdenum Steel |
ASTM A668 Class J Normalized and tempered, or normalized, quenched, and tempered electrical
| Property |
Value |
| Phosphorus |
Phosphorus of 0.04 % |
| Sulfur |
Sulfur of 0.025 % |
ASTM A668 Class J Normalized and tempered, or normalized, quenched, and tempered mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Nickel Chromium Molybdenum Steel |
| Elongation A50 |
20.0 °C |
Elongation A50 of 18 - 20 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 187 - 255 [-] |
- |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Chromium Molybdenum Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 48 - 50 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 620 - 655 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 450 - 485 MPa |
- |
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