
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 820-1050 1125
785
63.7 6 21 9
| 4.0/6.0 | 17.0/19.0 | - | 1 | 7.5/10.0 | 0.15 | 0.06 | 0.03 | |
| 9.00/11.00 14.0/16.0 | 0.08/1.20 | 0.20/1.00 5.50/7.00 0.06/0.15 | 0.04 | 0.03 | ||||
| 4.00/6.50 16.5/18.5 | - | 1 | 7.00/10.0 0.07 | 0.06 | 0.03 | |||
| 700-950 | 7.00 | 17.00 | 1.00 | 2.00 | 0.14 | 0.05 | 0.03 | |
| 6.0/10.0 | 17.0/22.0 | 1.5 | 2 | 2 | 0.2/0.4 | 0.05 | 0.05 | |
| 500-700 | 10.50 | 19.50 | 0.60 | 2.00 | 1.50 | 0.16 | 0.04 | 0.30 |
| 500-700 | 9.00 | 19.50 | 2.00 | 1.50 | 0.08 | 0.04 | 0.04 | |
| 490-690 | 11.50 | 18.00 | 1.00 | 2.00 | 0.12 | 0.04 | 0.03 | |
| 23.0/28.0 17.0/23.0 | 1.5 | 3 | 2 | 0.5 | 0.05 | 0.05 | ||
| 9.0/11.0 | 16.5/18.5 | 1.25/1.75 | 1 | 2 | 0.07 | 0.045 | 0.03 | |
| 510-710 | 13.00 | 17.00 | 1.50 | 0.75 | 2.00 | 0.08 | 0.04 | Cu 0.5 0.03 |
| 490-690 | 13.00 | 19.00 | 3.50 | 1.00 | 1.00 | 0.02 | 0.02 | 0.02 |
| 490-740 | 9.0 min | 17.0/21.0 | 2.0/3.0 | 1.5 | 2 | 0.08 | 0.04 | 0.04 |
| 10.5/13.5 16.5/18.5 | 2.00/2.50 | 1 | 2 | 0.08 | 5C/0.80 0.045 | 0.03 | ||
| 500-730 | 9.50 | 18.00 | 1.00 | 2.00 | 0.08 | 0.40 0.04 | 0.03 | |
| 8.0/11.0 | 17.0/19.0 | 0.7 | 1 | 2 | 0.12 | 5C/0.90 0.06 | 0.15/0.35 | |
| 10.0/13.0 16.5/18.5 | 2.25/3.00 | 1 | 2 | 0.12 | 0.06 | 0.06 | ||
| 640-900 | 3.50 | 25.50 | 1.00 | 0.10 | 0.04 | 0.03 | ||
| 36.0/46.0 15.0/25.0 | 1.5 | 3 | 2 | 0.75 | 0.05 | 0.05 | ||
| 4.0/7.00 | 21.0/27.0 | 1.75/3.00 | 1.5 | 1.5 | 0.08 | 0.04 | 0.04 | |
| 55.0/65.0 10.0/20.0 | 1.5 | 3 | 2 | 0.75 | 0.05 | 0.05 | ||
| 510-740 | 9.0/13.0 | 17.0/19.0 | 0.75 | 2.00 | 0.08 | 0.05 | 0.03 | |
| 510-740 | 9.0/13.0 | 17.0/19.0 0.2 | 0.75 | 2.00 | 0.08 | 0.05 | Ta 0.10 0.03 | |
| 8.0/10.5 | 17.0/19.0 | - | 1 | 2 | 0.07 | 0.045 | Cu 3.00/4.00 0.03 | |
| 400-600 | 0.50 | 12.00 | 0.50 | 0.50 | 0.15 | 0.02 | 0.01 | |
| 1 | 10.5/12.5 | - | 1 | 1 | 0.08 | 6C/1.0 0.04 | 0.03 | |
| 450-650 | 1.00 | 12.00 | 0.50 | 0.50 | 0.50 | 0.15 | 0.02 | Cu 0.5 0.01 |
| 590-780 | 1.00 | 13.00 | 0.60 | 1.00 | 1.25 | 0.15 | 0.07 | 0.07 |
| 750-950 | 1.00 | 12.50 | 1.00 | 1.00 | 0.20 | 0.04 | 0.04 | |
| 3.5/4.5 | 11.5/14.0 | 0.40/1.0 | 1 | 1 | 0.06 | 0.04 | 0.03 | |
| 450-650 | 1.00 | 16.00 | 1.00 | 1.00 | 0.08 | 0.04 | 0.03 | |
| 950 | 2.00 | 16.00 | 1.00 | 1.00 | 0.20 | 0.04 | 0.03 | |
| 79HRB 510 | 78 0.25 | 20.00 | 0.39 | 0.30 | 0.01 | 0.02 | Nb 0.8 0.50 0.00 | |
| 450-650 | 1.00 | 17.00 | 0.75 | 0.08 | ||||
| 2.0/3.0 | 15.0/18.0 | 0.6 | 1 | 1.5 | 0.12/0.20 | 0.04 | 0.03 | |
| 80HRB 500 | 0.5 | 18.2 | 1.9 | 0.45 | 0.3 | 0.013 | 0.13 0.03 | 0.002 |
| 4 | 25.0/30.0 | 1.5 | 2 | 1 | 1.0/2.0 | 0.05 | 0.05 | |
| 40-49HRC 1270-1650 | 7.5/9.5 | 11.0/12.5 | 0.5 | 0.5 | 0.5 | 0.05 | 0.8/1.4 0.04 | 1.5/2.5 0.03 |
| 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 |