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Cast Grade: 440B

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 440B

Similar Specifications

Cast Grade: 440B

Wrought UNS: S44003

Wrought Grade: 440B

Typical Chemical Composition (% by wt.)

Cr: 16.0 - 18.0

Fe: Bal

Mn: 1.00 max

Si: 1.00 max

C Max: 0.75 - 0.95

Other: Mo 0.75

Minimum Mechanical Properties

Brinell 3000 KG Min: 285 max

Heat Treatment: Annealed