HSS M35 Material for Gear Shaper Cutter and Gear Hob

M35 contains cobalt for increased hot hardness.  The composition of M35 offers a good combination  of toughness and hardness. M35 has a good  machinability.

Chemical composition of HSS M35: C-0.93, Cr-4.2, Mo-5.0, W-6.4, Co-4.8, V-1.8

Standards: Europe-HS 6-5-2-5, USA-AISI M35, Germany-1.3243, Sweden-SS2723, France: AFNOR Z90WDKCV6.5.5.4.2, Japan-JIS SKH55, UK-BM35

Hardness of HSS M35: HRC 65-67

Coating for gear hob with M35: AP or AT

Application of HSS M35:  for gear hobs, spline hob, worm hobs, sprocket hob, gear shaper cutters, shaving cutters, milling cutters and broaches.