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Physical Properties

Physical Property British Units Metric Units
Density RT 8.36 g/cm3 RT 0.302 lb/in3
Melting Range 2430- 2510°F - 1330-1375°C -
Thermal Conductivity 70°F 113 Btu-in/ft2-hr-°F 200°C 16.1 W/m-°C
400°F 137 Btu-in/ft2-hr-°F 430°C 19.5 W/m-°C
800°F 149 Btu-in/ft2-hr-°F 540°C 21.2 W/m-°C
1000°F 161 Btu-in/ft2-hr-°F 650°C 23.0 W/m-°C
1200°F 173 Btu-in/ft2-hr-°F 760°C 24.7 W/m-°C
1400°F 185 Btu-in/ft2-hr-°F 870°C 26.4 W/m-°C
1600°F 113 Btu-in/ft2-hr-°F 200°C 16.1 W/m-°C
Mean Coefficient of
Thermal Expansion
70-800°F 7.6 µin/in -°F 20-430°C 134 µohm-cm
70-1000°F 7.7 µin/in -°F 20-540°C 13.6 µm/m- °C
70-1200°F 8.0 µin/in -°F 20-650°C 13.8 µm/m- °C
70-1400°F 8.4 µin/in -°F 20-760°C 14.4 µm/m- °C
70-1600°F 8.7 µin/in -°F 20-870°C 15.1 µm/m- °C
70-1800°F 9.0 µin/in -°F 20-980°C 15.6 µm/m- °C
70-800°F 7.6 µin/in -°F 20-430°C 16.1 µm/m- °C
Electrical Resistivity 70°F 48.1 µohm-in 20°C 122 µohm-cm
400°F 49.5 µohm-in 200°C 126 µohm-cm
800°F 50.3 µohm-in 400°C 128 µohm-cm
1000°F 51.5 µohm-in 600°C 131 µohm-cm
1200°F 52.4 µohm-in 700°C 133 µohm-cm
1400°F 52.8 µohm-in 800°C 134 µohm-cm
1600°F 52.7 µohm-in 900°C 134 µohm-cm
Dynamic Modulus
of Elasticity
70°F 30.6 x 106 psi 20°C 211 GPa
400°F 29.0 x 106 psi 200°C 201 GPa
800°F 26.9 x 106 psi 400°C 188 GPa
1000°F 25.8 x 106 psi 600°C 173 GPa
1200°F 24.6 x 106 psi 700°C 166 GPa
1400°F 23.3 x 106 psi 800°C 157 GPa
1600°F 21.9 x 106 psi 900°C 149 GPa

RT= Room Temperature

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