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Cast Grade: SC 4140

OVERVIEW: Alloys for general structural use.

TYPICAL USES: Cylinders, marine propulsion, rolls, shaft sleeves.

MetalTek Grade: MTEK 4140

Similar Specifications

Cast UNS: J14045

Cast Grade: SC 4140

Cast ASTM: A915, A732

Wrought UNS: G41400

Wrought Grade: AISI 4140

Military / AMS: AMS 5338

Typical Chemical Composition (% by wt.)

Cr: 0.9

Fe: Bal

Mn: 1

Si: 0.5

C Max: 0.4

Minimum Mechanical Properties

Tensile, ksi: 180

Tensile, MPa: 1241

Yield, ksi: 145

Yield, MPa: 1000

Elongation %: 5

Heat Treatment: NORM, QUENCH AND TEMPER