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Cast Grade: SC 4340

OVERVIEW: Alloys for general structural use.

TYPICAL USES: Cylinders, hollow shafts, piping, rolls.

MetalTek Grade: MTEK 4340

Similar Specifications

Cast UNS: J24053

Cast Grade: SC 4340

Cast ASTM: A915, A732

Wrought UNS: G43400

Wrought Grade: AISI 4340

Military / AMS: AMS 5331

Typical Chemical Composition (% by wt.)

Cr: 0.80


Mn: 1 MAX

Ni: 1.80

Si: 0.60

C Max: 0.40

Other: Mo 0.30

Minimum Mechanical Properties

Tensile, ksi: 180

Tensile, MPa: 1241

Yield, ksi: 145

Yield, MPa: 1000

Elongation %: 5

Heat Treatment: Norm, Quench and Temper