
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 | |||||||||||||||
| Aluminum Lithium | |||||||||||||||
| 520 | 0.05 | 0.08 | 0.20-0.50 | rem | 0.1 | 0.70-1.30 | 0.20-0.60 0.25 | 3.20-3.90 Zr0.25 | |||||||
| 510 | 0.05 | 0.1 | 0.05 | rem | 0.15 | 1.90-2.60 | 0.25 | 0.1 2.40-3.0 | Zr0.08-0.15 | ||||||
| 400 | 0.1 | 0.2 | 0.1 | rem | 0.1 | 1.70-2.3 | 1.10-1.90 0.25 | 1.80-2.50 Zr0.04-0.16 | |||||||
| 0.12 | 0.25 | rem | 0.1 | 0.70-1.40 | 0.25-0.80 0.25 | 4.40-5.20 Zr0.04-0.18 | |||||||||
| 0.12 | 0.25 | rem | 0.1 | 0.70-1.40 | 0.25-0.80 0.25 | 3.90-4.60 Zr0.04-0.18 | |||||||||
| 0.12 | 0.10-0.60 | rem | 0.15 | 1.20-1.80 | 0.35 | 0.35 2.50-3.10 Zr0.08-0.16 | |||||||||
| 0.12 | 0.35 | rem | 0.1 | 0.80-1.30 | 0.25-0.80 0.35 | 3.20-3.80 Zr0.04-0.18 | |||||||||
| 0.05 | 0.10-0.50 | rem | 0.1 | 1.60-2.00 | 0.10-0.50 0.40-1.00 2.40-3.00 Zr0.05-0.12 | ||||||||||
| 0.12 | 0.25 | rem | 0.1 | 0.08-0.16 | 0.25-0.80 0.25 | 3.70-4.30 Zr0.08-0.16 | |||||||||
| 0.12 | 0.35 | rem | 0.1 | 1.40-2.10 | 0.25-0.80 0.35 | 2.50-3.30 Zr0.04-0.18 | |||||||||
| 0.1 | 0.10-0.50 | rem | 0.12 | 1.20-1.70 | 0.25 | 0.05 2.50-3.10 Zr0.08-0.15 | |||||||||
| 0.05 | 0.08 | 0.5 | rem | 0.1 | 0.80-1.10 | 0.25-0.80 0.35 | 2.90-3.50 Zr0.04-0.18 | ||||||||
| 0.05 | 0.10-0.50 | rem | 0.1 | 1.40-1.80 | 0.050-0.40 0.20-0.90 2.30-2.90 Zr0.05-0.12 | ||||||||||
| 0.1 | 0.10-0.50 | rem | 0.12 | 1.10-1.70 | 0.25 | 0.05 2.50-3.10 Zr0.08-0.15 | |||||||||
| 0.1 | 0.10-0.50 | rem | 0.12 | 1.10-1.70 | 0.25 | 0.05-0.15 2.50-3.10 Zr0.08-0.15 | |||||||||
| 0.1 | 0.01-0.05 | rem | 0.003 | 0.05 0.10-0.20 | |||||||||||
| 0.1 | rem | 3.40-4.20 | Zr0.08-0.25 | ||||||||||||
| 450 | 0.1 | 0.2 | 0.1 | rem | 0.1 | 2.20-2.70 | 0.60-1.30 0.25 | 1.00-1.60 Zr0.04-0.16 | |||||||
| 0.1 | 0.3 | 0.1 | rem | 0.1 | 2.40-2.80 | 0.50-1.20 0.25 | 1.60-2.20 Zr0.08-0.16 | ||||||||
| 0.1 | 0.1 | 0.1 | rem | 0.1 | 1.90-2.60 | 0.90-1.60 0.25 | 1.00-1.60 Zr0.04-0.14 | ||||||||
| HTA Iron Based Alloys | |||||||||||||||
| 95HRB | 690 | 41.0 | 33.0 | 20.0 | 2.2 | 1 | 2 | 0.07 | Cu 3.3 | ||||||
| 93HRB | 660 | 62.0 | 6.5 | 21.0 | 1 | 9 | 0.08 | No 0.3 | |||||||
| 55HRB | 350 | 50.0 | 48.0 | 0.1 | 0.5 0.3 | 0.3 | 0.01 | 0.03 0.01 | Cu 0.3 | ||||||
| 66.0 | 3.7 | 17.2 | 0.47 | 12.5 | 0.06 | ||||||||||
| 25.6 | 46.0 | 20.0 | 2.3 | 1 | 5 | 0.08 | Nb 0.4 | ||||||||
| 43.8 | 35.5 | 18.5 | 1.13 | 1 | 0.04 | 0.01 0.01 | Cu 0.5 | ||||||||
| 250HB | 810 | 56.0 | 25.0 | 14.5 | 1.3 | 0.2 | 0.2 | 0.05 | 0.2 | 2.1 | |||||
| 290HB | 930 | 50.1 | 25.0 | 16.0 | 6.0 | 0.7 | 1.35 | 0.12 | 0.3 | Nb 0.4 | |||||
| 280HB | 900 | 54.3 | 26.0 | 13.5 | 2.7 | 0.8 | 0.9 | 0.04 | 0.1 | 1.7 | |||||
| 300HB | 970 | 80.0 | 2.0 | 12.0 | 0.2 | 2.5 0.3 | 0.4 | 0.15 | |||||||
| 260HB | 840 | 29.0 | 20.0 | 21.0 | 20.0 3.0 | 2.5 0.4 | 1.5 | 0.1 | 0.3 | Nb + Ta | |||||
| 184HB | 630 | 44.5 | 32.5 | 21.0 | 0.5 | 0.75 | 0.05 | 0.37 | 0.37 | 0.007 | Cu 0.37 | ||||
| 180HB | 600 | 45.1 | 32.0 | 20.5 | 0.5 | 0.8 | 0.05 | 1.1 | |||||||
| 180HB | 600 | 44.4 | 32.5 | 21.5 | 0.4 | 0.8 | 0.4 | ||||||||
| 39.0 | 35.0 | 25.0 | 0.08 | 0.15 | 0.15 | ||||||||||
| 180HB | 600 | 41.7 | 37.0 | 18.0 | 2.3 | 1 | 0.06 | ||||||||
| 75HRB | 460 | 62.0 | 36.0 | 0.4 0.0 | 0.15 | 0.3 | 0.008 | 0.03 | 0.001 | ||||||
| 55HRB | 350 | 58.0 | 41.0 | 0.2 | 0.0 | 0.2 | 0.01 | 0.001 | 0.01 0.007 | ||||||
| 43-48HRC | 1360 | 69.0 | 18.5 | 8.5 3.3 | 0.05 | 0.05 | 0.01 | 0.2 | 0.005 0.005 | ||||||
| 48-52HRC | 1590 | 68.0 | 18.5 | 7.8 4.8 | 0.05 | 0.05 | 0.02 | 0.1 | 0.4 | 0.005 0.005 | |||||
| 50-55HRC | 1700 | 67.0 | 18.5 | 8.8 4.8 | 0.05 | 0.05 | 0.02 | 0.1 | 0.73 | 0.005 0.005 | |||||
| 55-60HRC | 2010 | 63.0 | 18.5 | 12.0 4.8 | 0.05 | 0.05 | 0.02 | 0.1 | 1.4 | 0.005 0.005 | |||||
| 43-47HRC | 1400 | 77.6 | 18.5 | 3.0 | 0.05 | 0.05 | 0.01 | 0.7 | 0.005 0.005 |
| 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 |