SAE J438b Grade M1
Equivalent material: DIN 1.3327, DIN S1-8-1, AFNOR Z85DCWV08-04-02-01, BS BM1, UNI X82MoW09KU, AISI M1, JIS SKH50, EN HS1-8-1, EN 1.3327, GB/T W2Mo8Cr4V, ASTM Type M1, UNS T11301
SAE J438b Grade M1 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 M1 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 M1 chemical
| Property |
Value |
| Carbon |
Carbon of 0.75 - 0.85 % |
| Chromium |
Chromium of 3.75 - 4.5 % |
| Manganese |
Manganese of 0.2 - 0.4 % |
| Molybdenum |
Molybdenum of 7.75 - 9.25 % |
| Silicon |
Silicon of 0.2 - 0.4 % |
| Tungsten |
Tungsten of 1.15 - 1.85 % |
| Vanadium |
Vanadium of 0.9 - 1.3 % |
SAE J438b Grade M1 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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