Title:
STRUCTURAL STEEL MATERIAL AND STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/003856
Kind Code:
A1
Abstract:
The 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.
Inventors:
MIURA SHINICHI (JP)
SAMUSAWA ITARU (JP)
MURASE MASATSUGU (JP)
SHIOTANI KAZUHIKO (JP)
HASE KAZUKUNI (JP)
SAMUSAWA ITARU (JP)
MURASE MASATSUGU (JP)
SHIOTANI KAZUHIKO (JP)
HASE KAZUKUNI (JP)
Application Number:
PCT/JP2018/021908
Publication Date:
January 03, 2019
Filing Date:
June 07, 2018
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C22C38/00; C22C38/60; C23C26/00; C23C28/00
Domestic Patent References:
| WO2016098234A1 | 2016-06-23 |
Foreign References:
| JP2012214871A | 2012-11-08 | |||
| JPH07331383A | 1995-12-19 | |||
| JP6264519B1 | 2018-01-24 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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