High speed tool steel(M2,M35,T1,D2,D3,A2,F1) 1.Provide a variety of shapes and forms of HSS 2. ... High speed tool steel(M2,M35,T1,D2,D3,A2,F1) 1.Provide a variety of shapes and forms of HSS 2 ... modify Cr8Mo2VSi 7Cr7Mo2V2Si Cr5Mo1VA21.2363 9CrWMn 1.2510SKS3CrWMn 1.2419SKS319Cr2MoV 1.2327 W ModifyF11.2414SKS214Cr5MoSiV1H131.2344SKD613Cr2W8VH211.2581SKD55CrNiMo 1.2713SKT4High Speed Steel:“high speed steel ...