Thanks to their chemical composition and good workability, these steels are ideal for fabricating springs, straps and elastic components for use in automotive, industrial and precision engineering applications.
50CrV4 - 1.8159 steel
50CrV4 – 1.8159 steel is a spring steel alloyed with chrome and vanadium per EN ISO standards, known for its excellent elasticity and resistance to dynamic fatigue.
55Si7 - 1.0904 steel
55Si7 – 1.0904 steel is a spring steel alloyed with silicon per EN ISO standards, known for its high elasticity and resistance to permanent deformation.
60Si7 - 1.0906 steel
60Si7 – 1.0906 steel is a spring steel alloyed with silicon per EN ISO standards, with a high elastic limit and resistance to fatigue.
52SiCrNi5 - 1.7117 steel
52SiCrNi5 – 1.7117 steel is a spring steel alloyed with silicon, chrome and nickel per EN ISO standards, known for its excellent combination of elasticity, fatigue resistance and tenacity.
| UNI | AFNOR | DIN-W.Nr | BS | AISI-SAE |
|---|---|---|---|---|
| 50CrV4 | 50CV4 | 50CrV4 - 1.8159 | 735A50 | 6150 |
| 55Si7 | 55S7 | 55Si7 - 1.0904 | 250A53 | 9255 |
| 60Si7 | 60S7 | 60Si7 - 1.0906 | 250A61 | (9260H) |
| 52SiCrNi5 | A35-571 | 52SiCrNi5 - 1.7117 | - | - |
