WINDSOR is a medium-alloy, air-hardening tool steel possessing superior abrasion resistance for long service life. Its inherent wearability and toughness make it particularly adaptable for use in dies and punches in extended production runs. It also has excellent nondeforming characteristics. Its many applications include blanking dies, coining, cold shears and punches. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-385. Producer or source: Jessop Steel Company.