H-SECTION STEEL AND METHOD OF PRODUCING THE SAME

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20150361664A1
SERIAL NO

14763344

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

An H-section steel has a predetermined chemical composition, an Nb content and a B content satisfy Nb+125×B≧0.075%, a thickness of a flange is 12 mm to 40 mm, and in a thickness center portion and ¼ flange width portion of the flange, a metallographic structure of a cross-section perpendicular to a rolling direction contains pearlite having a distribution density of 3.2×10−3 units/μm2 or lower and the remainder is formed of ferrite and bainite.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL & SUMITOMO METAL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8071

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
ICHIKAWA, Kazutoshi Kimitsu-shi, JP 14 26
ITO, Hidetoshi Kimitsu-shi, JP 50 193
MITSUYASU, Kazuaki Osaka, JP 7 11
ONODERA, Noriaki Osaka, JP 11 130
YAMAMOTO, Kohichi Hadano-shi, JP 16 73

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation