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440C Steel Properties & Composition

General Information

Cast Alloy Designation: 
440C
Alloy family: 
Martensitic Stainless Steel
UNS #: 
J91601
ASTM Standard(s): 
AMS5349
Wrought: 
440C

Chemical Composition

C: 
0.95-1.20
Mn: 
0.00-1.00
Cr: 
16.00-18.00
Mo: 
0.00-0.75
Ni: 
0.00-0.00
Fe: 
79.05-83.05
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-110.00
Yield strength (ksi): 
65
Elongation (%): 
14
Hardness (Brinell): 
0.00-269.00