420 Stainless Steel Data

Chemical Composition
Carbon 0.15 min
Chromium 12 - 14
Iron Balance
Manganese 1 max
Phosphorus 0.04 max
Silicon 1 max
Sulphur 0.03 max

 

 

Density 0.282 lb/in3
Hardness, Rockwell B 92
Tensile Strength 95000 psi
Tensile Strength, Yield 50000 psi
Elongation at Break 20 %
Modulus of Elasticity 29000 ksi
Poisson's Ratio 0.24
Charpy Impact 73.8 ft-lb
Shear Modulus 11700 ksi
Electrical Resistivity 5.5e-005 ohm-cm
CTE, linear 20°C 5.72 μin/in-°F
CTE, linear 250°C 6 μin/in-°F
CTE, linear 500°C 6.5 μin/in-°F
Specific Heat Capacity 0.11 BTU/lb-°F
Thermal Conductivity 173 BTU-in/hr-ft2-°F
Melting Point 2650 - 2750 °F
Maximum Service Temperature, Air 1150 °F
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