| Mn | Ni | V | C | Si | P | S | Fe | Co |
| 0.21 | 0.2 | 1.3 | 0.01 | 0.19 | 0.004 | 0.003 | Bal | 50.6 |
|
D1 |
B 125 | B 200 | B 200 | K | E | S |
| M4 | 14 | - | - | 2.8 | 7.7 | 7 |
| M5 | 16 | - | - | 3.5 | 8.8 | 8 |
| M6 | 18 | 24 | - | 4.0 | 11.1. | 10 |
| M8 | 22 | 28 | - | 5.3 | 14.4. | 13 |
| M10 | 26 | 32 | 45 | 6.4 | 18.9 | 17 |
| M12 | 30 | 36 | 49 | 7.5 | 211. | 19 |
| M14 | 34 | 40 | 53 | 8.8 | 24.5 | 22 |
| M16 | 38 | 44 | 57 | 10.0 | 26.8 | 24 |
| M18 | 42 | 48 | 61 | 11.5 | 30.1 | 27 |
| M20 | 46 | 52 | 65 | 12.5 | 33.5 | 30 |
| M22 | 50 | 56 | 69 | 14.0 | 35.7 | 32 |
| M24 | 54 | 60 | 73 | 15.0 | 40.0 | 36 |
| M27 | 60 | 66 | 79 | 17.0 | 45.2 | 41 |
| M30 | 66 | 72 | 85 | 18.7 | 50.9 | 46 |
| M33 | 72 | 78 | 91 | 21.0 | 55.4 | 50 |
| M36 | 78 | 84 | 97 | 22.5 | El 60,8 | 55 |
| M42 | 90 | 96 | 109 | 26.0 | 71.3 | 65 |
| M45 | 96 | 102 | 115. | 28.0 | 77.0 | 70 |
| M48 | 102 | 108 | 121 | 30.0 | 82.6 | 75 |