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SC 4140 Properties & Composition

General Information

Cast Alloy Designation: 
SC 4140
Alloy family: 
Carbon and Low Alloy
UNS #: 
J14045
ASTM Standard(s): 
A915
Wrought: 
4140

Chemical Composition

C: 
0.38-0.43
Mn: 
0.70-1.10
Cr: 
0.80-1.10
Mo: 
0.03-0.15
Ni: 
0.00-0.00
Fe: 
97.22-98.09
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-95.00
Yield strength (ksi): 
60
Elongation (%): 
26
Hardness (Brinell): 
0.00-197.00