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Cast Grade: 440C

OVERVIEW: Martensitic stainless steel with good strength and corrosion resistance but excellent hardness and wear resistance. The 440C alloy has higher levels of carbon compared to 440A and 440B.

TYPICAL USES: Valve components, pump parts, and bearings.

MetalTek Grade: MTEK 440C

Similar Specifications

Cast UNS: J91639

Cast Grade: 440C

Wrought UNS: S44004

Wrought Grade: 440C

Military / AMS: AMS 5352 (INVEST)

Typical Chemical Composition (% by wt.)

Cr: 16.0 - 18.0

Fe: Bal

Mn: 1.00 max

Ni: 0.75 max

Si: 1.00 max

C Max: 0.95 - 1.20

Other: Mo 0.25 - 0.75

Minimum Mechanical Properties

Brinell 3000 KG Min: 300 max

Heat Treatment: Annealed