M4/W6Mo5Cr4V2Co/SKH54 high speed steel round bar 1. Chemical composition(for reference only): C1.28-1.35,Si0.20-0.45, Cr 3 .80-4.40, Mn 0.15-0.40, Mo4.40-5.00, V 3.75-4.2, W5 00-6.00 2. Main application: (1) high red hot hardness (2) high wear resistance and cutting ability (3) high impact toughness, detailed and uniform grain, high toughness (4) rich hot work, cold work plasticity, good cutting and abrasive 3.Specification: Round bar Diameter(mm) 20~200 Length (mm) 1000~5800 plate/sheet Thickness(mm) 20~200 Width (mm) 20~200 Length (mm) 1000~5800 4.Features: (1) suitable for manufacturing variety of strength cutting tools with wear and impack-resistant, advanced die, screw die, than to need toughness and shape complex tools etc. (2) tool industry: scraper, roller cutter, cutter, drill, etc. (3) forging industry: forging dies (4) screw industry: hexagonal etc. starts with molding mold, tooth attack, punch