Steel wire rod having high strength and ductility and method for producing same
US9896750B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Dec 26, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D2211/001
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
There are provided a steel wire rod for ultra-high-strength parts such as automobile engine bolts or structural mechanical parts, and a method for producing the steel wire rod. The steel wire rod having high strength and ductility includes, by wt %, carbon (C): 0.7% to 0.9%, manganese (Mn): 13% to 17%, copper (Cu): 1% to 3%, and the balance of iron (Fe) and inevitable impurities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.