
| ISO Material | Condition | Tensile Strength [N/mm2] | Hardness HB | Material Group No. |
| < 0.25 %C | Annealed | 420 | 125 | 1 |
| >= 0.25 %C | Annealed | 650 | 190 | 2 |
| Non-alloy steel and cast steel free cutting steel < 0.55 %C | Quenched and tempered | 850 | 250 | 3 |
| , >= 0.55 %C | Annealed | 750 | 220 | 4 |
| Quenched and tempered | 1000 | 300 | 5 | |
| Annealed | 600 | 200 | 6 | |
| Low alloy steel and cast steel (less | 930 | 275 | 7 | |
| P | ||||
| than 5% of alloying elements) | Quenched and tempered | 1000 | 300 | 8 |
| 1200 | 350 | 9 | ||
| Annealed | 680 | 200 | 10 | |
| High alloyed steel, cast steel, and tool steel | Quenched and tempered | 1100 | 325 | 11 |
| Stainless steel and cast steel | Ferritic/martensitic | 680 | 200 | 12 |
| Martensitic | 820 | 240 | 13 | |
| M Stainless steel and cast steel | Austenitic | 600 | 180 | 14 |
| Cast iron nodular (GG) | Ferritic/pearlitic | 180 | 15 | |
| Pearlitic/ Martensitic | 260 | 16 | ||
| Ferritic | 160 | 17 | ||
| K Grey cast iron (GGG) | Pearlitic | 250 | 18 | |
| Malleable cast iron | Ferritic | 130 | 19 | |
| Pearlitic | 230 | 20 | ||
| Not cureable | 60 | 21 | ||
| Aluminum-wrought alloys | Cured | 100 | 22 | |
| Not cureable | 75 | 23 | ||
| Aluminum-cast-alloys | Cured | 90 | 24 | |
| N >12% Si | High temperature | 130 | 25 | |
| >1% Pb | Free cutting | 110 | 26 | |
| Copper alloys | Brass | 90 | 27 | |
| Electrolitic copper | 100 | 28 | ||
| Non-metallic | Duroplastics, fiberplastics | 29 | ||
| Hard rubber | 30 | |||
| Fe based | Annealed | 200 | 31 | |
| Cured | 280 | 32 | ||
| High temp. alloys | Annealed | 250 | 33 | |
| S Ni or Co based | Cured | 350 | 34 | |
| Cast | 320 | 35 | ||
| Titanium Ti allos | RM 400 | 36 | ||
| y | Alpha+beta alloys cured | RM 1050 | 37 | |
| Hardened steel | Hardened | 55 HRC | 38 | |
| Hardened | 60 HRC | 39 | ||
| H Chilled cast iron | Cast | 400 | 40 | |
| Cast iron | Hardened | 55 HRC | 41 |