Hardness

HRB HRC Rm N/mm2 Fe Ni Cr Co Mo W Si Mn C Al Ti Li P S Mg Zn Cu Others

HB Unalloyed Steels 390 390

590-780 500-650 500-650 500-650 550-750 540-730 690-930 580-800 630-800 630-800 630-800 620-850 650-900 640-830 640-830 750-850 750-900 810 630 670 1000-1100 390-710 350-780 510-740 650 775 410-710 430-740 410-710 430-740 980-1320 480-640 510-710 980-1420 500-850 880-1230 800-950 785 650-950

Material Guide –Keyto Recommended Inserts Material Designation
P Unalloyed SteelsP Alloyed SteelsM Stainless SteelsM K N S H PH Stainless Aluminum & Alloys High Temp. Alloys Hard Materials Cast Irons