Dalian Jingtai Industry Trade Co., Ltd. [China]

Detailed Product Description

special steel bar

Anneal temperature:840-860

Relief annealing temperature:720-760

Hardening temperature:1210-1230

Hardening medium:salt bath under600,also use oil cooling or air cooling

nomal temper temperation:540-560

Rc Rockwell Hardness after hardening and temper:63-66

Characteristic:Tungsten-molybdenum high speed steel developed by China,high performance in toughness,hardness,high temperature hardness

Application:can be used in the manufacture of high capacity cutting tools to bear impact force ,such as gear shaper cutter,milling cutter,screw tap,drill bit etc.Also can be used in manufacture of large scale and thermoplasticity shaped cutting tools and  antiabrasive cutting tools under high load.