SAE J438b Grade M3
Equivalent material: AISI M3, ASTM Type M3, UNS T11303, DIN 1.3344, DIN S 6-5-3, DIN HS6-5-3, AFNOR Z120WDCV06-05-04-03, AFNOR HS6-5-3, AFNOR 6-5-3, BS HS6-5-3, AISI M3Class1, AISI M3Class2, SAE M3Class1, SAE M3Class2, JIS SKH53, JIS SKH52, EN HS6-5-3, EN 1.3344, ISO HS6-5-3, GOST R6M5F3, GB/T T66543, GB/T W6Mo5Cr4V3, UNS T11313, UNS T11323
SAE J438b Grade M3 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 M3 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 M3 chemical
| Property |
Value |
| Carbon |
Carbon of 1 - 1.25 % |
| Chromium |
Chromium of 3.75 - 4.5 % |
| Manganese |
Manganese of 0.2 - 0.4 % |
| Molybdenum |
Molybdenum of 4.75 - 6.25 % |
| Silicon |
Silicon of 0.2 - 0.4 % |
| Tungsten |
Tungsten of 5.5 - 6.75 % |
| Vanadium |
Vanadium of 2.25 - 3.25 % |
SAE J438b Grade M3 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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