High Speed Steel W6Mo5Cr4V3/M3/5KH53/HS 6-5-3, 

1. Available sizes: 
Rolled flat bar Thickness 12-60mm width: 200-610mm rolled Round bar dia. 50-130mm 
Forged flat bar Thickness: 60-200mm width: 100-800mm Forged round bar dia. 50-400mm 

2 Annealed hardness: ≤ 255HBS 

3 Properties 
Excellent compressive strength and wear resistance 
Resistance to plastic deformation 
Good toughness and thermoplasticity 

4 Applications 
It Is widely used for manufacture of metal-cutting tools, cold-forming 
Tools, such as cold extrusion rams and dies, as well as for cutting and precision cutting tools. 

5 Technique 
EF/ESR + forging+hot rolled +annealed 

6 Process 
Furnce material-melting-steel ingot-forging-forging billet-heating-rolling-slow cooling-collecting-annealing-finishing-inspection-package-warehousing 

7 Delivery condition 
Annealed + black/peeled/turned/grinding/polishing surface option, UT test accord with SEP1921-84 class c/c