THYRAPID 3247 is a super high-speed tool steel able to attain a hardness of Rc 66/68 with nominal heat treatment. The higher hardness finds favor for special purpose cutting tools with requirements beyond the capability of general purpose high-speed steels. The alloy is similar to AISI M42. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on heat treating and machining. Filing Code: TS-513. Producer or source: Thyssen Specialty Steels Inc..

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