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Cast Grade: 440A

OVERVIEW: Martensitic stainless steel with good strength and hardness but excellent corrosion resistance and wear resistance.

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

MetalTek Grade: MTEK 440A

Similar Specifications

Cast Grade: 440A

Wrought UNS: S44002

Wrought Grade: 440A

Military / AMS: MIL-S-81591 (IC-440A) I

Typical Chemical Composition (% by wt.)

Cr: 16.0 - 18.0

Fe: Bal

Mn: 1.00 max

Si: 1.00 max

C Max: 0.60 - 0.75

Other: Mo 0.75

Minimum Mechanical Properties

Brinell 3000 KG Min: 255 max

Heat Treatment: Annealed