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Physical Properties

Physical Property British Units Metric Units
Density RT 0.327 lb/in3 RT 9.07 g/cm3
Melting Range 2425-2570°F - 1330-1410°C -
Electrical Resistivity RT 34.9 µohm-in RT 88.6 µohm-cm
200°F 35.9 µohm-in 100°C 91.8 µohm-cm
400°F 37.6 µohm-in 200°C 95.6 µohm-cm
600°F 38.5 µohm-in 300 °C 97.6 µohm-cm
800°F 39.1 µohm-in 400 °C 98.5 µohm-cm
1000°F 40.4 µohm-in 500 °C 100.8 µohm-cm
1200°F 41.8 µohm-in 600 °C 104.3 µohm-cm
1400°F 42.3 µohm-in 700 °C 106.6 µohm-cm
1600°F 40.6 µohm-in 800 °C 107.8 µohm-cm
1800°F 37.7 µohm-in 900 °C 101.1 µohm-cm
- - 1000 °C 95.0 µohm-cm
Thermal Diffusivity 70°F 4.4 x 10-3in2/sec RT 28.3 x 10-3cm2/sec
125°F 4.6 x 10-3in2/sec 100°C 30.1 x 10-3cm2/sec
200°F 4.8 x 10-3in2/sec 200°C 32.7 x 10-3cm2/sec
400°F 5.5 x 10-3in2/sec 300°C 35.6 x 10-3cm2/sec
600°F 6.0 x 10-3in2/sec 400°C 41.2 x 10-3cm2/sec
800°F 6.5 x 10-3in2/sec 500°C 43.5 x 10-3cm2/sec
1000°F 6.9 x 10-3in2/sec 600°C 45.5 x 10-3cm2/sec
1200°F 7.3 x 10-3in2/sec 700°C 47.6 x 10-3cm2/sec
1400°F 7.6 x 10-3in2/sec 800°C 49.6 x 10-3cm2/sec
1600°F 7.7 x 10-3in2/sec 900°C 48.7 x 10-3cm2/sec
1800°F 7.9 x 10-3in2/sec 1000°C 51.6 x 10-3cm2/sec
2000°F 8.3 x 10-3in2/sec - -
Thermal Conductivity 70°F 72 Btu-in/ft2-h-°F 25°C 10.5 W/m-°C
125°F 77 Btu-in/ft2-h-°F 100°C 12.0 W/m-°C
200°F 83 Btu-in/ft2-h-°F 200°C 14.0 W/m-°C
400°F 99 Btu-in/ft2-h-°F 300°C 15.9 W/m-°C
600°F 114 Btu-in/ft2-h-°F 400°C 17.7 W/m-°C
800°F 127 Btu-in/ft2-h-°F 500°C 19.5 W/m-°C
1000°F 140 Btu-in/ft2-h-°F 600°C 21.2 W/m-°C
1200°F 152 Btu-in/ft2-h-°F 700°C 22.9 W/m-°C
1400°F 165 Btu-in/ft2-h-°F 800°C 24.5 W/m-°C
1600°F 178 Btu-in/ft2-h-°F 900°C 26.0 W/m-°C
1800°F 191 Btu-in/ft2-h-°F 1000°C 27.5 W/m-°C
2000°F 201 Btu-in/ft2-h-°F - -
Specific Heat 70°F 0.096 Btu/lb.-°F 25°C 403 J/kg-°C
125 °F 0.098 Btu/lb.-°F 100 °C 424 J/kg-°C
200 °F 0.101 Btu/lb.-°F 200 °C 445 J/kg-°C
400 °F 0.106 Btu/lb.-°F 300 °C 455 J/kg-°C
600°F 0.111 Btu/lb.-°F 400 °C 462 J/kg-°C
800 °F 0.116 Btu/lb.-°F 500 °C 495 J/kg-°C
1000 °F 0.119 Btu/lb.-°F 600 °C 508 J/kg-°C
1200 °F 0.123 Btu/lb.-°F 700 °C 582 J/kg-°C
1400 °F 0.128 Btu/lb.-°F 800 °C 592 J/kg-°C
1600 °F 0.137 Btu/lb.-°F 900 °C 596 J/kg-°C
1800 °F 0.143 Btu/lb.-°F 1000 °C 598 J/kg-°C
2000 °F 0.142 Btu/lb.-°F - -
Mean Coefficient of
Thermal Expansion		 70 - 200 °F 7.1 µin/in.-°F 25 - 100 °C 12.8 µm/m-°C
70 - 400 °F 7.3 µin/in.-°F 25 - 200 °C 13.1 µm/m-°C
70 - 600 °F 7.5 µin/in.-°F 25 - 300 °C 13.3 µm/m-°C
70 - 800 °F 7.7 µin/in.-°F 25 - 400 °C 13.7 µm/m-°C
70 - 1000 °F 7.9 µin/in.-°F 25 - 500 °C 14.0 µm/m-°C
70 - 1200 °F 8.2 µin/in.-°F 25 - 600 °C 14.6 µm/m-°C
70 - 1400 °F 8.6 µin/in.-°F 25 - 700 °C 15.1 µm/m-°C
70 - 1600 °F 8.9 µin/in.-°F 25 - 800 °C 15.8 µm/m-°C
70 - 1800 °F 9.2 µin/in.-°F 25 - 900 °C 16.2 µm/m-°C
70 - 2000 °F 9.5 µin/in.-°F 25 - 1000 °C 16.7 µm/m-°C
Dynamic Modulus
of Elasticity		 RT 32.6 x 106psi RT 225 GPa
200°F 32.3 x 106psi 100°C 222 GPa
400°F 31.0 x 106psi 200°C 214 GPa
600°F 29.4 x 106psi 300°C 204 GPa
800°F 28.3 x 106psi 400°C 197 GPa
1000°F 26.9 x 106psi 500°C 188 GPa
1200°F 25.8 x 106psi 600°C 181 GPa
1400°F 24.3 x 106psi 700°C 174 GPa
1600°F 22.8 x 106psi 800°C 163 GPa
1800°F 21.4 x 106psi 900°C 154 GPa
- - 1000°C 146 Gpa

RT=Room Temperature

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