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Physical Properties

Physical Property British Units Metric Units
Density RT 0.296 lb/in3 RT 8.20 g/cm3
Melting Temperature 2425-2475°F - 1330-1360°C -
Thermal Conductivity 400°F 88 Btu-in/ft2-hr-°F 200°C 12.6 W/m-°C
800°F 112 Btu-in/ft2-hr-°F 400°C 15.7 W/m-°C
1000°F 125 Btu-in/ft2-hr-°F 600°C 19.1 W/m-°C
1200°F 139 Btu-in/ft2-hr-°F 700°C 20.9 W/m-°C
1400°F 152 Btu-in/ft2-hr-°F 800°C 22.7 W/m-°C
1600°F 167 Btu-in/ft2-hr-°F 900°C 24.5 W/m-°C
Mean Coefficient of
Thermal Expansion		 70-800°F 7.6 µin/in -°F 20-500°C 13.9 x 10-6m/m·°C
70-1000°F 7.8 µin/in -°F 20-600°C 14.3 x 10-6m/m·°C
70-1200°F 8.1 µin/in -°F 20-700°C 14.8 x 10-6m/m·°C
70-1400°F 8.4 µin/in -°F 20-800°C 15.4 x 10-6m/m·°C
70-1600°F 8.9 µin/in -°F 20-900°C 16.4 x 10-6m/m·°C
70-1800°F 9.7 µin/in -°F 20-1000°C 17.8 x 10-6m/m·°C
Dynamic Modulus of
Elasticity		 70°F 30.9 x 106 psi 20°C 213 GPa
400°F 29.5 x 106 psi 200°C 204 GPa
800°F 27.7 x 106 psi 400°C 192 GPa
1000°F 26.7 x 106 psi 600°C 180 GPa
1200°F 25.6 x 106 psi 700°C 172 GPa
1400°F 24.3 x 106 psi 800°C 164 GPa
1600°F 22.9 x 106 psi 900°C 155 GPa
1800°F 21.1 x 106 psi 1000°C 146 GPa

RT= Room Temperature

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