SAE J405 Grade XM-31

Equivalent material: AISI XM-31, AISI S21400, SAE S21400, ASTM XM-31, UNS S21400

SAE J405 Grade XM-31 general

Property Temperature Value Comment
Density 23.0 °C Density of 7.9 - 8.2 g/cm³ Typical for Austenitic Stainless Steel

SAE J405 Grade XM-31 thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.7E-5 - 1.9E-5 1/K Typical for Austenitic Stainless Steel
Melting point - Melting point of 1230 - 1480 °C Typical for Austenitic Stainless Steel
Specific heat capacity 23.0 °C Specific heat capacity of 440 J/(kg·K) Typical for Austenitic Stainless Steel
Thermal conductivity 23.0 °C Thermal conductivity of 11 - 21 W/(m·K) Typical for Austenitic Stainless Steel

SAE J405 Grade XM-31 chemical

Property Value
Carbon Carbon of 0.12 %
Chromium Chromium of 17 - 18.5 %
Manganese Manganese of 14 - 16 %
Nickel Nickel of 1 %
Nitrogen Nitrogen of 0.35 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 0.3 - 1 %
Sulfur Sulfur of 0.03 %

SAE J405 Grade XM-31 electrical

Property Temperature Value Comment
Electrical resistivity 23.0 °C Electrical resistivity of 8.5E-7 Ω·m Typical for Austenitic Stainless Steel

SAE J405 Grade XM-31 mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 195 GPa Typical for Austenitic Stainless Steel
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Austenitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Austenitic Stainless Steel

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