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440A UNS S44002 | 440C UNS S44004 | 440F

This is a high carbon stainless with moderate corrosion resistance, good strength and the ability to obtain a high hardness (Rc 60) and wear resistance. Ball bearings and races, gage blocks, molds and dies, cutlery, valve components, knives and measuring instruments are a few of the applications for this martensitic stainless steel.

AMS 5618Stainless Steel Bars and Forgings.
AMS 5630Stainless Steel Bars and Forgings.
AMS 5880Stainless Steel Bars and Forgings.