| C45 KEYSTEEL |
| BS 970 | SAE (A1S1) | WERKSTOFF No |
| 080 A46 | 1045 | 1.1191 |
| CHEMICAL COMPOSITION |
| Carbon | Silicon | Manganese | Sulphur | Phosphorus |
| 0.42 - 0.50 | 0.17 - 0.37 | 0.50 - 0.80 | 0.035 Max. | 0.035 Max. |
| STANDARD STOCK SIZES |
| SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE | SIZE |
| 4 x 4 | 5 x 5 | 6 x 6 | 8 x 8 | 8 x 7 | 10 x 10 | 10 x 8 | 12 x 12 | 12 x 8 | 12 x 10 | 14 x 14 | 14 x 9 |
| 16 x 16 | 16 x 10 | 18 x 18 | 18 x 11 | 20 x 20 | 20 x 12 | 22 x 22 | 22 x 14 | 25 x 25 | 25 x 14 | 28 x 28 | 28 x 16 |
| 30 x 30 | 32 x 32 | 32 x 16 | 32 x 18 | 36 x 36 | 36 x 20 | 38 x 38 | 40 x 40 | 40 x 22 | 40 x 25 | 45 x 45 | 50 x 50 |