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Physical Properties

Physical Property British Units Metric Units
Density RT 0.298 lb/in.3 RT 8.26 g/cm3
Melting Range 2540-2600°F - 1395-1425°C -
Thermal Conductivity 400°F 82 Btu.in/h.ft2.°F 200°C 14.1 W/m.°C
600°F 93 Btu.in/h.ft2.°F 400°C 16.9 W/m.°C
800°F 107 Btu.in/h.ft2.°F 600°C 19.8 W/m.°C
1000°F 120 Btu.in/h.ft2.°F 700°C 21.3 W/m.°C
1200°F 132 Btu.in/h.ft2.°F 800°C 22.7 W/m.°C
1400°F 147 Btu.in/h.ft2.°F 900°C 24.0 W/m.°C
Mean Coefficient of
Thermal Expansion		 RT - RT -
70-800°F 7.8 µin/in.°F 20-500°C 14.3 µm/m-°C
70-1000°F 8.0 µin/in.°F 20-600°C 14.8 µm/m-°C
70-1200°F 8.4 µin/in.°F 20-700°C 15.5 µm/m-°C
70-1400°F 8.9 µin/in.°F 20-800°C 16.3 µm/m-°C
70-1600°F 9.4 µin/in.°F 20-900°C 17.4 µm/m-°C
70-1800°F 9.8 µin/in.°F 20-1000°C 17.9 µm/m-°C
Electrical Resistivity 700°F 47.7 µohm.in 20°C 121 µohm.cm
400°F 48.8 µohm.in 200°C 124 µohm.cm
800°F 50.5 µohm.in 400°C 126 µohm.cm
1000°F 51.2 µohm.in 600°C 130 µohm.cm
1200°F 51.3 µohm.in 700°C 129 µohm.cm
1400°F 50.7 µohm.in 800°C 128 µohm.cm
1600°F 49.8 µohm.in 900°C 126 µohm.cm
Dynamic Modulus of
Elasticity 		70°F 31.0 x 106 psi 20°C 214 GPa
400°F 29.2 x 106 psi 200°C 201 GPa
800°F 27.4 x 106 psi 400°C 189 GPa
1000°F 26.7 x 106 psi 600°C 184 GPa
1200°F 25.5 x 106 psi 700°C 176 GPa
1400°F 24.0 x 106 psi 800°C 165 GPa
1600°F 22.1 x 106 psi 900°C 152 GPa
1800°F 20.0 x 106 psi 1000°C 138 GPa

RT = Room Temperature

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