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7040 Steel Properties & Composition

General Information

Cast Alloy Designation: 
70-40
Alloy family: 
Carbon and Low Alloy
UNS #: 
J02501
ASTM Standard(s): 
A27
Wrought: 
70-40

Chemical Composition

C: 
0.00-0.25
Mn: 
0.00-1.20
Cr: 
0.00-0.00
Mo: 
0.00-0.00
Ni: 
0.00-0.00
Fe: 
98.55-100.00
Cu: 
0.00-0.00

Mechanical Properties

Tensile strength (ksi): 
0.00-70.00
Yield strength (ksi): 
40
Elongation (%): 
22
Hardness (Brinell): 
0.00-0.00