SAE J438b Grade S1
Equivalent material: DIN 1.2542, DIN 45WCrV7, BS BS1, UNI 45WCrV8KU, SS 2710, UNE 45WCrSi8, AISI S1, EN 1.2542, GOST 5ChW2SF, GB/T 5CrW2Si, GB/T T40125, ASTM Type S1, UNS T41901, DIN 1.2550, DIN 60WCrV7, DIN 60WCrV8, AFNOR 60WCrV8, BS 60WCrV8, UNI 58WCr9KU, SS ~2710, EN 60WCrV8, EN 55WCrV8, EN 1.2550, ISO 60WCrV8, GOST 6ChW2S, GB/T 6CrW2Si, GB/T T40126
SAE J438b Grade S1 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.72 - 8 g/cm³ |
Typical for Tool And Machining Steel |
SAE J438b Grade S1 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K |
Typical for Tool And Machining Steel |
| Melting point |
- |
Melting point of 1370 - 1425 °C |
Typical for Tool And Machining Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 420 - 460 J/(kg·K) |
Typical for Tool And Machining Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 17 - 42 W/(m·K) |
Typical for Tool And Machining Steel |
SAE J438b Grade S1 chemical
| Property |
Value |
| Carbon |
Carbon of 0.45 - 0.55 % |
| Chromium |
Chromium of 1.25 - 1.75 % |
| Manganese |
Manganese of 0.2 - 0.4 % |
| Molybdenum |
Molybdenum of 0.4 % |
| Silicon |
Silicon of 0.25 - 0.45 % |
| Tungsten |
Tungsten of 1 - 3 % |
| Vanadium |
Vanadium of 0.15 - 0.3 % |
SAE J438b Grade S1 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 203 - 211 GPa |
Typical for Tool And Machining Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Tool And Machining Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 79 GPa |
Typical for Tool And Machining Steel |
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