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Physical Properties

Physical Property British Units Metric Units
Density 70°F 0.298 lb/in3 21°C 8.25 g/cm3
Melting Temperature 2250-2535°F - 1232-1391°C -
Mean Coefficient of Thermal Expansion 70-1000°F 7.5 µin/in -°F 21-538°C 13.5 x 10-6m/m·°C
70-1200°F 7.8 µin/in -°F 21-649°C 14.0 x 10-6m/m·°C
70-1400°F 8.2 µin/in -°F 25-760°C 14.8 x 10-6m/m·°C
70-1500°F 8.5 µin/in -°F 25-816°C 15.2 x 10-6m/m·°C
70-1600°F 8.8 µin/in -°F 25-871°C 15.7 x 10-6m/m·°C
70-1700°F 9.1 µin/in -°F 25-927°C 16.3 x 10-6m/m·°C
70-1800°F 9.4 µin/in -°F 25-982°C 16.8 x 10-6m/m·°C
Thermal Conductivity 300°F 80 Btu-in/ft2-hr-°F 149°C 11.5 W/m-°C
400°F 87 Btu-in/ft2-hr-°F 204°C 12.5 W/m-°C
500°F 95 Btu-in/ft2-hr-°F 260°C 13.6 W/m-°C
600°F 102 Btu-in/ft2-hr-°F 316°C 14.7 W/m-°C
800°F 117 Btu-in/ft2-hr-°F 427°C 16.8 W/m-°C
1000°F 131 Btu-in/ft2-hr-°F 538°C 18.8 W/m-°C
1100°F 139 Btu-in/ft2-hr-°F 593°C 20.0 W/m-°C
1200°F 146 Btu-in/ft2-hr-°F 649°C 21.0 W/m-°C
1300°F 153 Btu-in/ft2-hr-°F 704°C 22.0 W/m-°C
1400°F 161 Btu-in/ft2-hr-°F 760°C 23.1 W/m-°C
1500°F 168 Btu-in/ft2-hr-°F 816°C 24.1 W/m-°C
1600°F 175 Btu-in/ft2-hr-°F 871°C 25.1 W/m-°C
Specific Heat 70°F 0.108 Btu/lb.-°F 21°C 452 J/kg-°C
Electrical Resistivity  32°F  50.0 µohm-in  0°C  127.0 µohm-cm 
Magnetic Permeability 70°F <1.002 at 200 oersteds 21°C <1.002 at 200 oersteds
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