| Steel Type | Colour Code |
| Bright & Black Mild Steel – Metric | |
| Bright & Black Mild Steel – Imperial | |
| EN1A F/C | |
| EN1A Leaded | |
| Bright EN8 | |
| Bright EN8M | |
| Bright EN24T | |
| Black EN8 | |
| Black EN24 Annealed | |
| Black EN24T | |
| 2510 (01) | |
| 2379 (D2) | |
| 2767 | |
| 2083 | |
| 2311 (P20) | |
| 2312 (P20 + S) | |
| 2344 (H13) |