Plated steel sheet for cans and production method thereof
US8679643B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 4, 2008 |
| Grant date | Mar 25, 2014 |
| Priority date | — |
| Expiry date | Dec 27, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/13
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A plated steel sheet for cans with excellent secondary adhesion of an organic film and high corrosion resistance is provided, that is, a plated steel sheet for cans, which is a plated steel sheet having a alloy tin layer and a metallic tin layer in sequence from the steel sheet side, wherein a chemical conversion layer comprising tin oxide in an amount of 0.3 to 5.0 mC/cm2 in terms of electricity necessary for reduction and tin phosphate in an amount of 0.5 to 5.0 mg/m2 in terms of P is provided on the metallic tin layer and zirconium(IV) oxide in an amount of 0.2 to 5 mg/m2 in terms of Zr is provided on the chemical conversion layer. A production method thereof is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.