440 Stainless Steel Data

Chemical Composition
Carbon 0.60 - 0.70
Chromium 12.5 - 13.5
Iron Balance
Manganese 1 max
Molybdenum 0.75 max
Phosphorus 0.03 max
Silicon 0.02 max
Sulphur 0.02 max

 

 

Density 0.282 lb/in3
Hardness, Rockwell C 57-59
Tensile Strength 254000 psi
Tensile Strength, Yield 186000 psi
Elongation at Break 4 %
Modulus of Elasticity 29000 ksi
Charpy Impact 14 ft-lb
CTE, linear 20°C 5.67 μin/in-°F
Specific Heat Capacity 0.11 BTU/lb-°F
Maximum Service Temperature, Air 1400 °F
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