High speed steel bar D3
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high speed steel
D3
Dia Size: 2~200mm
RC Rockwell Hardness after
hardening and temper: 63-66
high speed steel
D3
Anneal temperature: 840-860oC
Relief annealing temperature: 720-760oC
Hardening temperature: 1210-1240oC
Hardening medium: salt bath under 600oC,aslo use oil cooling or air cooling
Normal temper temperature: 540-560oC
RC Rockwell Hardness after hardening and temper: 63-66
Characteristic:Tungsten-molybdenum high speed steel developed by China, equivalent to W18Cr4V(T1) and W6Mo5Cr4V2(M2),
Application: Instead for W18Cr4V(T1) and W6Mo5Cr4V2(M2)