SC 4140

SC 4140 Properties & Composition

overview

Low-alloy steel with high strength, toughness, abrasion and impact resistance

Typical Applications

Pump and valve, oil and natural gas, agricultural, defense

Limitations (maximum pour and part weight)

Max pour weight: 6,000 lbs.

General Information

Cast Alloy Designation: SC 4140
Similar designation: -
Alloy Family: Carbon / Low Alloy Steel
UNS #: J14045
ASTM Standard(s): A915
Wrought: 4140
Weldability: Good
Castability: Good
Machinability rating: Good

Chemical Composition

C: 0.38-0.43
Mn: 0.7-1.1
Cr: 0.8-1.1
Mo: 0.15-0.025
Ni: 0.00-0.00
Fe: Bal
Cu: 0.00-0.00

Mechanical Properties

Tensile Strength (ksi): 0-95
Tensile Strength (MPa): 0-655
Yield Strength (ksi): 60
Elongation (%): 26
Hardness (Brinell): 0.00-197
Note: - -

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