17CrNiMo6/1.6587/18CrNiMo7-6
Update：2018/7/21 16:39:09 View：4674
- Type： 17CrNiMo6, 1.6587, 18CrNiMo7-6, 4317
- Description：
17CrNiMo6, 1.6587, 18CrNiMo7-6, 4317
Introduction
Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.18 | max.0.40 | 0.70 | 1.65 | 0.30 | 1.55 | - | - | - |
Description
Nickel-molybdenum
alloy steel. Alloyed case hardening steel for heavy and high strained
gear parts with high demands on toughness at core tensile strength of
1050-1350 N/mm2.
Applications
Severely stressed components for mechanical engineering and automobile industry.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.87
Thermal conductivity [W/m.K]: 38.0
Electric resistivity [Ohm mm2/m]: 0.18
Specific heat capacity[J/g.K]: 0.46
Coefficient of Linear Thermal Expansion 10-6 oC-1
| 20-100oC | 20-200oC | 20-300oC | 20-400oC | 20-500oC |
| 11.2 | 12.1 | 12.9 | 13.4 | 13.9 |
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