Steel sheet for cans, and production method therefor

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United States of America Patent

PATENT NO 11339491
APP PUB NO 20200141021A1
SERIAL NO

16619147

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Abstract

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A steel sheet for cans which exhibits excellent weldability; and a production method therefor include a steel sheet for cans with the surface of a steel sheet in order from the steel sheet side, a chromium metal layer and a hydrous chromium oxide layer. The deposited amount of the chromium metal layer is 65-200 mg/m2. The deposited amount of the hydrous chromium oxide layer in terms of chromium is 3-30 mg/m2. The chromium metal layer includes: a base part having a thickness of 7.0 nm or higher; and granular protrusions which are on the base part, have a maximum grain size of 100 nm or lower, and have a number density per unit area of at least 200 per μm2.

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Patent Owner(s)

Patent OwnerAddress
JFE STEEL CORPORATION2-3 UCHISAIWAI-CHO 2-CHOME A CORPORATION OF JAPAN CHIYODA-KU TOKYO 100-0011

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baba, Yuya Tokyo, JP 17 24
Kojima, Katsumi Tokyo, JP 89 537
Nakagawa, Yusuke Tokyo, JP 185 818
Sou, Hanyou Tokyo, JP 3 1
Suto, Mikito Tokyo, JP 23 35
Suzuki, Takeshi Tokyo, JP 572 6480
Tokui, Shunsuke Tokyo, JP 2 1
Yamanaka, Yoichiro Tokyo, JP 38 175

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