DIN 17173 X8Ni9 Quenched & Tempered Steel – Comprehensive Mechanical Properties
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.88 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 201 GPa | |
20.0 °C | 195 GPa | ||
100.0 °C | 190 GPa | ||
200.0 °C | 184 GPa | ||
300.0 °C | 178 GPa | ||
400.0 °C | 170 GPa | ||
Elongation | 20.0 °C | 18 % | |
Elongation, transverse | 20.0 °C | 16 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Nickel Steel |
Shear modulus | 23.0 °C | 76 GPa | Typical for Nickel Steel |
Tensile strength | 20.0 °C | 640 - 840 MPa | |
Tensile strength, transverse | 20.0 °C | 640 - 840 MPa | |
Yield strength | 20.0 °C | 480 - 490 MPa | |
Yield strength, transverse | 20.0 °C | 480 - 490 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.02E-5 1/K | |
20.0 °C | 1.1E-5 1/K | ||
100.0 °C | 1.14E-5 1/K | ||
200.0 °C | 1.18E-5 1/K | ||
300.0 °C | 1.21E-5 1/K | ||
400.0 °C | 1.25E-5 1/K | ||
Melting point | 1316 - 1595 °C | Typical for Nickel Steel | |
Specific heat capacity | -100.0 °C | 442 J/(kg·K) | |
20.0 °C | 464 J/(kg·K) | ||
100.0 °C | 479 J/(kg·K) | ||
200.0 °C | 495 J/(kg·K) | ||
300.0 °C | 511 J/(kg·K) | ||
400.0 °C | 528 J/(kg·K) | ||
Thermal conductivity | -100.0 °C | 23.9 W/(m·K) | |
20.0 °C | 30.2 W/(m·K) | ||
100.0 °C | 32.8 W/(m·K) | ||
200.0 °C | 34.4 W/(m·K) | ||
300.0 °C | 34.7 W/(m·K) | ||
400.0 °C | 34 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 8.3 mm²/s | |
100.0 °C | 8.5 mm²/s | ||
200.0 °C | 8.4 mm²/s | ||
300.0 °C | 8 mm²/s | ||
400.0 °C | 7.3 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | -100.0 °C | 2.51E-7 Ω·m |
20.0 °C | 3.22E-7 Ω·m | |
100.0 °C | 3.73E-7 Ω·m | |
200.0 °C | 4.4E-7 Ω·m | |
300.0 °C | 5.19E-7 Ω·m | |
400.0 °C | 6.13E-7 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.1 % |
Manganese | 0.3 - 0.8 % |
Molybdenum | 0.1 % |
Nickel | 8 - 10 % |
Phosphorus | 0.03 % |
Silicon | 0.35 % |
Sulfur | 0.02 % |
Vanadium | 0.05 % |
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