
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 Alloyed Steels 880 640-1080
650 800-1100 650-750 269-302HB 970 248-285HB 900 690-930 690-930 950-1050 1050-1100 800-1100 780-1080 750-850 490-640 700 720-775 795-910
| 40HRC | 1250 | 71 | 11.1 | 3 | 13.4 | 1.2 | 0.23 |
| 40HRC | 1250 | 70 | 11 | 2.4 | 15 | 1.4 | 0.25 |
| 37-42HRC | 1330 | 68 | 12 | 2.25 | 15.6 | 1.85 | 0.33 |
| 850-900 | |||||||
| 850 | |||||||
| 850-900 | |||||||
| 850-900 | |||||||
| 34HRC | 1070 | 0.2-0.8 9.8-11.2 | 0.5-1.0 0.7 | 0.1-0.7 0.6-1.15 0.06-0.11 |
770 770 770 1180-1620
850 400HBW 1300 350HBW 1130 970 630 750-850 775-990 795-870 775-990 775-990 640-670 850 400 640-720 800-1050
| Material Gu | ide –Keyto Recommended Inserts Material Designation | ||
| P Unalloyed Steels | P Alloyed Steels | M Stainless Steels | M K N S H PH Stainless Aluminum & Alloys High Temp. Alloys Hard Materials Cast Irons |