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4330 Steel Properties & Composition

General Information

Cast Alloy Designation: 
9Q(4330)
Alloy family: 
Carbon and Low Alloy
UNS #: 
J23055
ASTM Standard(s): 
A732
A915
Wrought: 
4330

Chemical Composition

C: 
0.25-0.35
Mn: 
0.40-0.70
Cr: 
0.70-0.90
Mo: 
0.20-0.30
Ni: 
1.65-2.00
Fe: 
95.75-96.80
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