High speed steel M2(1.3343)
size: dia: 50-500mm,

        width:50-1200mm

        thichness:20-500mm 
        length 1-6m.
high performance in toughness
high temperature hardness.

 

Technique:EAF+LF+VA or negotiation

 process:melting+refining+annealing+or machines

 

Factory condition:

 Annealed to HB240-300.

 

Chemicial composition: C=0.80-0.90, Si=0.20-0.45, Cr=3.80-4.40, Mn=0.15-0.40, Mo=4.50-5.50, V=1.75-2.20, W=5.50-6.75, Co≤0.20, S≤0.030, P≤0.030.

 

Delivery condition: forged, black or machined surface, annealed, hardness: HBS 240-300, or pre-hardened and tempered, hardness: HRC 63-65.

 

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.