HIGH SPEED STEEL 1. Formula: W2Mo9Cr4VCo8 include Co 2. Size: 2 to 200mm 3. Application: Cutting tools with perfomance of hard
Anneal temperature: 860-880 Relief annealing temperature: 720-760 Hardening temperature: 1160-1190 Hardening medium: Salt bath under 600, aslo use oil cooling or air cooling Normal temper temperation: 540-560 RC Rockwell Hardness after hardening and temper: 66-68 Characteristic: High performance tungsten-molybdenum high speed steel, Excellent performance of hardness, red hardness, thermoplasticity, machinability. Only weak in toughness Application: Used in various of complicated tools, e. G pricision broaches, form cutter, professional lathe tool and various high hardness tools.