METHOD FOR MANUFACTURING CLAD STEEL PIPE

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United States of America

APP PUB NO 20200001339A1
SERIAL NO

16493718

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Abstract

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A method for manufacturing a clad steel pipe is provided, wherein the clad steel pipe is manufactured by using a clad steel plate as a raw material. The clad steel plate comprises a base layer (1) and a clad layer (2) roll-bonded with the base layer (1). The method for manufacturing a clad steel pipe comprises the steps of forming, welding, and deburring; both sides of the clad steel plate are bent towards the base layer (1) side of the clad steel plate, then the forming step is carried out, and after the forming step, the opening faces of the resultant pipe blank are all in a form of the clad layer (2). According to the method for manufacturing a clad steel pipe, a clad steel pipe is manufactured by using a clad steel plate as a raw material. Thus, continuance and high efficiency of a high-frequency longitudinal welding pipe unit is fully utilized, subsequent non-continuous processes are not necessary, and the corrosion resistance at the weld of the clad steel pipe is ensured.

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Patent Owner(s)

Patent OwnerAddress
BAOSHAN IRON & STEEL CO LTD201900 NO 885 FUJIN ROAD SHANGHAI BAOSHAN DISTRICT MUNICIPAL DISTRICT SHANGHAI CITY 201900

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
JIAO, Sihai Shanghai, CN 6 6
YAN, Bo Shanghai, CN 24 71
ZHOU, Cheng Shanghai, CN 34 408

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