
Hardness
| HRB HRC | Others Cu Zn Mg S P Li Ti Al C Mn Si W Mo Co Cr Ni Fe Rm N/mm2 |
| HB | |
| Gray Iron | |
| 230HB | 760 |
| 235HB | 770 |
| 250HB | 810 |
| 175HB | 570 |
| 185HB | 620 |
| 205HB | 660 |
| 220HB | 730 |
| Spheroidal-Ductile Iron | |
| 150-200HB | 660 |
| 200-250HB | 810 |
| 200-250HB | 810 |
| 200-250HB | 810 |
| 150-180HB | 600 |
| 155-220HB | 730 |
| 190-255HB | 820 |
| 200-260HB | 840 |
| 240-300HB | 970 |
| 265-300HB | 970 |
| 130-170HB | 570 |
| 130-180HB | 600 |
| 390 | |
| 140-200HB | 660 |
| 370 | |
| 140-200HB | 660 |
| 140-190HB | 630 |
| 370 | |
| 390 | |
| 120-170HB | 570 |
| 170-240HB | 780 |
| 370 | |
| 380 | |
| 370 | |
| Malleable Iron | |
| 150HB | 350-500 |
| 175HB | 580 |
| 205HB | 670 |
| 230HB | 650-880 |
| 265HB | 700-950 |
340-740 360-740 400-740
P Unalloyed Steels P Alloyed Steels M Stainless Steels M PH Stainless K Cast Irons N Aluminum & Alloys S High Temp. Alloys H Hard Materials