Physical Properties of Stainless Steel 304

Density, lbs./in.3 (g/cm3)

0.29 (8.03)

Electrical Resistivity, μΩ•in. (μΩ•cm)

68 °F (20 °C) - 28.4 (72)

1200 °F (659 °C) - 45.8 (116)

Thermal Conductivity, BTU/hr./ft./°F (W/m/K)

212 °F (100 °C) - 9.4 (16.2)

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 (17.3)

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)

in tension - 28.0 x 103 (193 x 103)

in torsion - 11.2 x 103 (78 x 103)

Magnetic Permeability Annealed

(H/m at 200 Oersteds) - 1.02 max.

Specific Heat, BTU/lbs./°C (kJ/kg/K)

0 – 100 °C - 0.12 (0.50)

Melting Range - (°C)

1399°C – 1454°C