SAE J438b Grade A2
Equivalent material: DIN 1.2363, DIN X100CrMoV5-1, DIN X100CrMoV5, AFNOR Z100CDV5, AFNOR X100CrMoV5, BS X100CrMoV5, BS BA2, AISI A2, JIS SKD12, EN X100CrMoV5, EN X100CrMoV51, EN 1.2363, ISO X100CrMoV5, ASTM Type A2, UNS T30102
SAE J438b Grade A2 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 A2 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 A2 chemical
| Property |
Value |
| Carbon |
Carbon of 0.95 - 1.05 % |
| Chromium |
Chromium of 4.75 - 5.5 % |
| Manganese |
Manganese of 0.45 - 0.75 % |
| Molybdenum |
Molybdenum of 0.9 - 1.4 % |
| Silicon |
Silicon of 0.2 - 0.4 % |
| Vanadium |
Vanadium of 0.4 % |
SAE J438b Grade A2 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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