Invention Grant
- Patent Title: Product for enameling and enameled product
- Patent Title (中): 产品用于搪瓷和搪瓷制品
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Application No.: US12310937Application Date: 2007-08-15
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Publication No.: US08236111B2Publication Date: 2012-08-07
- Inventor: Hidekuni Murakami , Satoshi Nishimura
- Applicant: Hidekuni Murakami , Satoshi Nishimura
- Applicant Address: JP Tokyo
- Assignee: Nippon Steel Corporation
- Current Assignee: Nippon Steel Corporation
- Current Assignee Address: JP Tokyo
- Agency: Kenyon & Kenyon LLP
- Priority: JP2006-252972 20060919
- International Application: PCT/JP2007/066218 WO 20070815
- International Announcement: WO2008/035528 WO 20080327
- Main IPC: C22C38/00
- IPC: C22C38/00 ; C22C38/08

Abstract:
The present invention provides a product for enameling and an enameled product that achieve adhesion, bubble/black spot defect resistance and fishscale resistance, even when preprocessing and ground coating are omitted, which product comprise a steel sheet having on the surface thereof an oxide film of 0.10 μm to 400 μm thickness comprising oxides of components of the steel sheet, which steel sheet comprises, in mass %, C: 0.0001% to 0.040%, Si: 0.0001% to 0.50%, Mn: 0.001% to 2.00%, P: 0.0001% to 0.10%, S: 0.0001% to 0.060%, Al: 0.0001% to 0.10%, N: 0.0001% to 0.015%, and O: 0.0001% to 0.070%, further comprises one or more of Ni: 0.01% to 2.00%, Co: 0.0005% to 2.00%, Cr: 0.001% to 2.00%, Cu: 0.01% to 2.00%, Mo: 0.0001% to 2.00%, and Ti: 0.0005% to 0.50%, where Ni+Co+Cr/2+Cu+Mo+Ti: 0.010% to 8.0%, the balance being Fe and unavoidable impurities.
Public/Granted literature
- US20100040872A1 Product for enameling and enameled product Public/Granted day:2010-02-18
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