Title:
METHOD FOR MANUFACTURING CLAD STEEL PIPE
Document Type and Number:
WIPO Patent Application WO/2018/177020
Kind Code:
A1
Abstract:
A method for manufacturing a clad steel pipe, for use in manufacturing a clad steel pipe by using a clad steel plate as a raw material. The clad steel plate comprises a base layer (1) and a cladding layer (2) which is combined with the base layer (1) by means of rolling. The method for manufacturing a clad steel pipe comprises the steps of forming, welding, and deburring; two edges of the clad steel plate is 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 entire opening surface of the pipe blank is the cladding 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 straight seam welded pipe making machine set is fully utilized, subsequent non-continuous processes are not increased, and the corrosion resistance at the weld seam of the clad steel pipe is ensured.
More Like This:
Inventors:
JIAO SIHAI (CN)
YAN BO (CN)
ZHOU CHENG (CN)
YAN BO (CN)
ZHOU CHENG (CN)
Application Number:
PCT/CN2018/074674
Publication Date:
October 04, 2018
Filing Date:
January 31, 2018
Export Citation:
Assignee:
BAOSHAN IRON & STEEL (CN)
International Classes:
B23P15/00
Foreign References:
| KR20100125559A | 2010-12-01 | |||
| DE202013010598U1 | 2015-03-05 | |||
| CN104858536A | 2015-08-26 | |||
| CN103317306A | 2013-09-25 | |||
| CN103753030A | 2014-04-30 | |||
| CN103978299A | 2014-08-13 |
Other References:
See also references of EP 3603880A4
Attorney, Agent or Firm:
WATSON & BAND INTELLECTUAL PROPERTY AGENT LTD. (CN)
Download PDF: