发明公开
- 专利标题: SEAWATER-RESISTANT STAINLESS CLAD STEEL
- 专利标题(中): 耐海水不锈钢复合钢
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申请号: EP13758685申请日: 2013-03-07
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公开(公告)号: EP2824211A4公开(公告)日: 2016-03-09
- 发明人: YAZAWA YOSHIHIRO , KISHI KEIICHIRO , TACHIBANA SHUNICHI , HOSHINO TOSHIYUKI
- 申请人: JFE STEEL CORP
- 专利权人: JFE STEEL CORP
- 当前专利权人: JFE STEEL CORP
- 优先权: JP2012051124 2012-03-08; JP2012269163 2012-12-10
- 主分类号: C22C38/00
- IPC分类号: C22C38/00 ; B32B15/01 ; C21D8/02 ; C22C38/22 ; C22C38/44
摘要:
Provided is a seawater-resistant stainless clad steel with excellent abrasion resistance and seawater pitting resistance. A seawater-resistant stainless clad steel includes a cladding material made of stainless steel having a pitting index, which is represented by Cr[mass%] + 3.3Mo[mass%] + 16N[mass%], of 35.0 or more and a microstructure in a surface portion including, by area ratio, less than 2.0% of a à phase, in which dynamic friction coefficients in the rolling direction and in a direction at a right angle to the rolling direction determined in accordance with JIS K 7125 (1999) are both 0.05 or less.
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