SAE J438b Grade L7
Equivalent material: DIN 1.2303, DIN 100CrMo5, AISI L7, EN 1.2303, ASTM Type L7
SAE J438b Grade L7 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 L7 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 L7 chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.95 - 1.05 % |
| Chromium | Chromium of 1.25 - 1.75 % |
| Manganese | Manganese of 0.25 - 0.45 % |
| Molybdenum | Molybdenum of 0.3 - 0.5 % |
| Silicon | Silicon of 0.2 - 0.4 % |
SAE J438b Grade L7 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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