Carbon Steels |
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| Metal Series | Macreadys Brand Name | Properties | Related Specifications | Bar end Colour |
| -- | NMC Usaflat | Commercial Engineering Steel | -- | Blue |
| EN 1A | Usapead | Freecutting Steel | STA5 V 1A BS32 Grade 4 | Green |
| EN 1A | Usaled | Leaded Freecutting | STA5 V 1A BS32 Grade 4 | Magenta |
| EN 3B | Usamild | '20' Carbon Mild Steel | STA5 V 2/3 BS32 Grade 2 | Red+Blue |
| EN 6 | Usen 6 | Medium Tensile Mild Steel | BS32 Grade 1 | Red+Yellow |
| EN 6A | Usakey | Medium Tensile Mild Steel | BS32 Grade 1 | Red+Yellow |
| EN 8 | Usapead 40 | '40' Carbon Steel Normalised | STA5 V 4A BS32 Grade 1 | Yellow |
| EN32A EN32B | Usacase | Carbon Casehardening Steel | STA5 V 15 | Red |
| EN 202 | Usapead 202 | Carbon Manganese Casehardening Semi-Freecutting | STA5 V 15AM | Red+Green |
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Alloy Steels |
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| EN 16(T) | Usapead '5565' Usaloy '16T' | Manganese Molybdenum Open Hearth Acid Steel | STA5 V 9A | White |
| EN 24 | Usaloy '24' | 1½% Nickel-Chromium Manganese Molybdenum Steel Electrically Melted | STA5 V 10 | White+Blue |
| EN 24(T) | Usaloy '24T' | 1½% Nickel-Chromium Molybdenum Steel | STA5 V 10 | White+Brown |
| EN 33 | Usaloy '33' | 3% Nickel Casehardening Open Hearth Acid Steel | STA5 V 17 | White+Green |
| EN 36A,B,C | Usaloy '36' | 3% Nickel-Chromium Casehardening Open Hearth Acid Steel | STA5 V 18 | White+Red |
| EN 56 AM (R) | KE 40A | Chromium Rust-Resisting Iron, Free-Cutting (Martensitic) | -- | Brown |
Tool Steels |
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| -- | Usapead NSOH | Carbon Manganese Oil Hardening Alloy Tool Steel Electrically Melted | -- | Blue |
| -- | Usapead HCHC | High Carbon High Chromium Alloy Tool Steel Electrically melted | -- | Green |
| -- | Usapead 'Super' | 18% Tungsten High Speed Steel Electrically Melted | -- | Silver |