High strength steel plate having superior electromagnetic shielding and hot-dip galvanizing properties
US6939623B2 · kind B2 · utility
1Cited by
8References
4Claims
0Family size
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Key dates
| Filing date | Dec 19, 2001 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Dec 19, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The steel plate is manufactured from a composition comprising C, N and S in an amount of 0.0150% by weight or less in total; Mn in an amount of 0.2 to 0.8% by weight; Al inan amount of 0.6% by weight or less; Si in an amount of 0.4% by weight or less; Cu and/or Sn in an amount of 0.1 to 0.6% by weight in total; and Fe for the remainder, and inevitably present elements, whereby the steel plate can show excellent electromagnetic shield effect and hot-dip galvanization properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.