... /M2/M35 according to standard of GB,ASTM,DIN,JIS, High Speed Tool Steels Bars Steel Grade Chemical composition in % by wt ... (ladle analysis) DINAISI No SAE No JIS C≤ Si ≤ Mn ≤P ≤S Cr Mo V Other Elements Code ... to be discussed Application :Driller, Topper,Cut Tools, Punch, Bearing High Speed Tool Steel Bars