STRUCTURALSTEEL MATERIAL AND STRUCTURE
本页收录老挝专利「STRUCTURALSTEEL MATERIAL AND STRUCTURE」的公开登记要点，由 JFE STEEL CORPORATION 于 2018-06-07 提交申请，当前状态为已注册。公开档案中可核验：申请号 P/696，DIP 编号 LAP696，主管局代码 LA，保护类型 Patent - PCT National Phase。时间线要点：公开/公告日 2022-09-09；授权日 2022-09-09；届满/失效参考日 2038-06-07。技术或外观分类记载为 C22C 38/00、C22C 38/60、C23C 26/00、C23C 28/00。发明人 / 设计人包括 HASE Kazukuni、MIURA, Shinichi、MURASE Masatsugu、SAMUSAWA Itaru、SHIOTANI Kazuhiko。代理机构 / 代理人记载为 ACTIP IP LIMITED [ACTIP]。公开摘要提示：he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even…。
P/696
图样
基础信息
- 类型
- 专利
- 申请号
P/696- 状态
- 已注册
- 申请人
- JFE STEEL CORPORATION
- 代理机构
- ACTIP IP LIMITED [ACTIP]
- 申请日期
- 2018-06-07
- 注册号
P/696- 公开 / 公告日
- 2022-09-09
- 注册 / 授权日
- 2022-09-09
- 到期日
- 2038-06-07
- 保护类型
- Patent - PCT National Phase
- 公报号
- 171 · 2022-09-09
- 优先权
- JP · 2017-129502 · 2017-06-30
- 申请人地址
- JFE STEEL CORPORATION · 2-3, Uchisawai-cho 2-chome, Chiyoda-ku, Tokyo 1000011, JAPAN · JP
- 代理地址
- ACTIP IP LIMITED [ACTIP] · Sisavath Village, Chanthabouly District, Vientiane, Lao PDR · LA
- 国际分类
- C22C 38/00 · C22C 38/60 · C23C 26/00 · C23C 28/00
- 商品 / 服务
- —
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摘要
he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even when used in an atmospheric corrosive environment, especially when used in a severe corrosive environment in which there is a large amount of airborne salt, such as at sea, in the vicinity of a coast, etc.; and that exhibits good primary rust resistance, superior paint corrosion resistance, and superior lamellar tear resistance when being employed in a large complex structure such as a bridge. The structural steel material of the present invention has a predetermined composition and has a degree of Sn segregation that is set to 20 or less.
he purpose of the present invention is to provide a structural steel material: with which it is possible to reduce painting frequency even when used in an atmospheric corrosive environment, especially when used in a severe corrosive environment in which there is a large amount of airborne salt, such as at sea, in the vicinity of a coast, etc.; and that exhibits good primary rust resistance, superior paint corrosion resistance, and superior lamellar tear resistance when being employed in a large complex structure such as a bridge. The structural steel material of the present invention has a predetermined composition and has a degree of Sn segregation that is set to 20 or less.
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