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4130 Steel Properties & Composition

General Information

Cast Alloy Designation: 
7Q(4130)
Alloy family: 
Carbon and Low Alloy
UNS #: 
J13045
ASTM Standard(s): 
A732
A915
Wrought: 
4130

Chemical Composition

C: 
0.25-0.35
Mn: 
0.40-0.70
Cr: 
0.80-1.10
Mo: 
0.15-0.25
Ni: 
0.00-0.00
Fe: 
97.60-98.40
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-150.00
Yield strength (ksi): 
115
Elongation (%): 
7
Hardness (Brinell): 
0.00-0.00