Spring steel for vehicles
US4409026A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1981 |
| Grant date | Oct 11, 1983 |
| Priority date | — |
| Expiry date | Jun 17, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC22C38/34
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A spring steel for vehicles having a composition substantially composed of 0.5-0.7 wt % of C, 1.0-1.8 wt & of Si, 0.1-1.0 wt % of Mn, below 0.7 wt % of Cr, 0.03-0.5 wt % of V and the balance of Fe and normally present impurities, and optionally at least one of Al, Zr, Nb and Ti each contained in an amount of 0.02-0.1 wt %.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.