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1040 Steel Properties & Composition

General Information

Cast Alloy Designation: 
3A(1040)
Alloy family: 
Carbon and Low Alloy
UNS #: 
J04002
ASTM Standard(s): 
A732
A915
Wrought: 
1040

Chemical Composition

C: 
0.35-0.45
Mn: 
0.70-1.00
Cr: 
0.00-0.00
Mo: 
0.00-0.00
Ni: 
0.00-0.00
Fe: 
98.55-98.95
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-75.00
Yield strength (ksi): 
48
Elongation (%): 
25
Hardness (Brinell): 
0.00-0.00