发明名称 |
PORCELAIN ANAMEL STEEL SHEET HAVING NO SURFACE DEFECTS AND EXCELLENT FORMABILITY AND MANUFACTURING METHOD THEREOF |
摘要 |
The present invention relates to a steel sheet used as base metal of porcelain enamel products and, more specifically, relates to a porcelain enamel cold rolled steel sheet having no surface defects and excellent formability; and to a manufacturing method thereof. According to one aspect of the present invention, the porcelain enamel cold rolled steel sheet comprises: less than 0.005 wt% of C; less than 0.2 wt% of Si; less than 0.5 wt% of Mn (excluding 0); 0.04-0.08 wt% of S; 0.01-0.1 wt% of Al; and less than 0.003 wt% of N. |
申请公布号 |
KR20150049252(A) |
申请公布日期 |
2015.05.08 |
申请号 |
KR20130129536 |
申请日期 |
2013.10.29 |
申请人 |
POSCO |
发明人 |
YOON, JEONG BONG;LEE, BYOUNG HO;KIM, JONG HWA |
分类号 |
C22C38/00;C21D8/02;C21D9/46;C22C38/14 |
主分类号 |
C22C38/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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