DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC)
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) introduction
100 CrMo 7 3 is an anti-friction bearing steel that is hardened all the way through. It reaches surface hardnesses of approximately 62 HRC and is used for heavy rings and rolls with thicknesses greater than 50mm.
Equivalent material: ISO 4, DIN 1.3536, JIS 100CrMo7-3, EN 1.3536, ISO 100CrMo7-3, ASTM 100CrMo7-3
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.81 - 7.85 g/cm³ |
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1.05E-5 1/K | - |
| - | 20.0 °C | Coefficient of thermal expansion of 1.15E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.21E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.27E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.32E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.36E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.4E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.44E-5 1/K | - |
| Melting point | - | Melting point of 1382 - 1529 °C | Typical for Chromium Steel |
| Specific heat capacity | -100.0 °C | Specific heat capacity of 423 J/(kg·K) | - |
| - | 20.0 °C | Specific heat capacity of 461 J/(kg·K) | - |
| - | 100.0 °C | Specific heat capacity of 479 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 499 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 517 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 536 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 558 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 587 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 39.6 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 41.6 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 41.8 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 40.3 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 38.2 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 36 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 33.6 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 11 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 10.8 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 10.1 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 9.2 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 8.1 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 7 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 5.7 mm²/s | - |
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.9 - 1.05 % |
| Chromium | Chromium of 1.65 - 1.95 % |
| Copper | Copper of 0.3 % |
| Manganese | Manganese of 0.6 - 0.8 % |
| Molybdenum | Molybdenum of 0.2 - 0.35 % |
| Nickel | Nickel of 0.3 % |
| Phosphorus | Phosphorus of 0.03 % |
| Silicon | Silicon of 0.2 - 0.4 % |
| Sulfur | Sulfur of 0.025 % |
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 2.63E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 3.08E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 3.78E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 4.66E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 5.69E-7 Ω·m |
| - | 500.0 °C | Electrical resistivity of 6.87E-7 Ω·m |
| - | 600.0 °C | Electrical resistivity of 8.26E-7 Ω·m |
DIN 17230 Grade 100CrMo7-3 annealed to achieve spheroidized carbides (+AC) mechanical
| Property | Temperature | Value |
|---|---|---|
| Elastic modulus | -100.0 °C | Elastic modulus of 217 GPa |
| - | 20.0 °C | Elastic modulus of 212 GPa |
| - | 100.0 °C | Elastic modulus of 207 GPa |
| - | 200.0 °C | Elastic modulus of 199 GPa |
| - | 300.0 °C | Elastic modulus of 192 GPa |
| - | 400.0 °C | Elastic modulus of 184 GPa |
| - | 500.0 °C | Elastic modulus of 175 GPa |
| - | 600.0 °C | Elastic modulus of 164 GPa |
| Poisson's ratio | 20.0 °C | Poisson's ratio of 0.28 [-] |
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