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SC 4340 Properties & Composition

General Information

Cast Alloy Designation:

SC 4340

Alloy family:

Carbon and Low Alloy

UNS #:

J24053

ASTM Standard(s):

A915

Wrought:

4340

Chemical Composition

C:

0.38-0.43

Mn:

0.60-0.90

Cr:

0.70-0.90

Mo:

0.20-0.30

Ni:

1.65-2.00

Fe:

95.47-96.47

Cu:

0.00-0.00

Mechanical Properties

Tensile strength (ksi):

0.00-108.00

Yield strength (ksi):

68

Elongation (%):

22

Hardness (Brinell):

0.00-217.00