... ASTM, DIN, GB, JIS Dimensions Dia: 20-400mm It is widely used for vaired cutters and cold work ... mole with wearproof. M2 high speed steel round bar (1.3343 )1.Chemical composition: C:0.85, ... 63-35.3.Size: For round bar,Dia 20-400mm; for flat, thickness 20-400mm ,width:200-300mm; Length 1000-6000mm ... 63-35.3.Size: For round bar,Dia 20-400mm; for flat, thickness 20-400mm ,width:200-300mm; Length 1000- ...