High strength hot rolled steel sheet for line pipe use excellent in low temperature toughness and ductile fracture arrest performance and method of production of same

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United States of America Patent

PATENT NO 9657364
APP PUB NO 20140318672A1
SERIAL NO

14329295

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Abstract

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The present invention has as its object the provision of hot rolled steel sheet (hot coil) for line pipe use in which API5L-X80 standard or better high strength and low temperature toughness and ductile fracture arrest performance are achieved and a method of production of the same.

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Patent Owner(s)

  • NIPPON STEEL & SUMITOMO METAL CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Hiroshi Tokyo, JP 461 4854
Yokoi, Tatsuo Tokyo, JP 50 342
Yoshida, Osamu Tokyo, JP 240 1978

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