PHYSICAL PROPERTIES Density: 0.29 lbs/in3 8.03 g/cm3 Electrical Resistivity: microhm-in (microhm-cm): At 68 °F (20 °C): 27.4 (69.5) At 1200 ° F (659 °C): 45.8 (116) Specific Heat: BTU/lb/° F (kJ/kg•K): 32 -212 °F (0 -100 °C): 0.12 (0.50) Thermal Conductivity: BTU/hr/ft2/ft/° F (W/m•K) At 212 ° F (100 °C)-9.4 (16.2), At 932 ° F (500 °C)-12.4 (21.4) Mean Coefficient of Thermal Expansion: in/in/° F (µm/m•K) 32-212 °F (0-100 °C)-9.4 x 10·6 (16.9) 32-600 °F (0-315 °C)-9.9 x 10·6 (17.8) 32 -1000 °F (0 -538 °C)-10.2 x 10·6 (18.4) 32 -1200 °F (0 -649 °C)-10.4 x 10·6 (18.7) Modulus of Elasticity: ksi (MPa) 28.0 x 103 (193 x 103) in tension 11.2 x 103 (78 x 103) in torsion Magnetic Permeability: H = 200 Oersteds: Annealed < 1.02 max. Melting Range: 2250-2650 ° F (1399-1454 °C) TEMPERED 302 can be supplied in the tempered condition. Please refer to ASHAPURA STEEL for more information.
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