Welded member

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12240199
APP PUB NO 20240326381A1
SERIAL NO

18702221

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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To obtain a welded member using a steel sheet less expensive than a pure Ni sheet as a raw material and excellent in corrosion resistance. A welded member according to the present invention is made by connecting a Ni plated steel sheet having a Ni plating layer and a Fe—Ni diffusion alloy layer and another steel sheet via a welded part, wherein: a Ni concentration is 70 mass % or more and a Fe concentration is 30 mass % or less in a surface layer of each of a toe, a toe near area, and the welded part; and a thickness of the Fe—Ni diffusion alloy layer is 0.5 to 1.5 μm and a total thickness of the Ni plating layer and the Fe—Ni diffusion alloy layer is 2.7 to 14.0 μm at a non-welded part, and a total concentration of S and C in the Ni plating layer at the non-welded part is less than 20 ppm.

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Patent Owner(s)

  • 501 NIPPON STEEL CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Asada, Misaki Tokyo, JP 1 0
Fujimoto, Hiroki Tokyo, JP 58 324
Takahashi, Takehiro Tokyo, JP 133 694

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