1075 Spring Steel
Properties: This is one of the high-carbon steels used for high-hardness in the fully hardened condition. In such condition the steel is more brittle than the lower carbon steels.
Application: Application includes spring and cutting tools.
Chemical composition (average %) of AISI 1075 High Carbon Steel (DIN Ck75)
| Carbon (C) | 0.70-0.80 |
| Silicon (Si) | 0.25 |
| Manganese (Mn) | 0.40-0.70 |
| Chromium (Ch) | - |
| Molybdenum (Mo) | - |
| Vanadium (V) | - |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
Obtainable hardness: 45-47 Rc