DIN 1.3343 Hss steel (M2/SKH51)
1.annealing to HB240-300.
2.Size: thickness*width: 20-400*200-300mm, length 1000-6000mm.

HSS DIN 1.3343

Anneal temperature: 840-860

Relief annealing temperature: 720-760

Hardening temperature: 1210-1230

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: 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.