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SUN Hong, CAO Hong-bo, ZHANG Chen-peng, ZHANG Li-ying, XIAO Dou-qin, CHEN Ying-lian. R & D of Submerged Arc Spiral Welded Tube of X70 Steel[J]. STEEL PIPE, 2001, 30(5): 35-37.
Citation: SUN Hong, CAO Hong-bo, ZHANG Chen-peng, ZHANG Li-ying, XIAO Dou-qin, CHEN Ying-lian. R & D of Submerged Arc Spiral Welded Tube of X70 Steel[J]. STEEL PIPE, 2001, 30(5): 35-37.

R & D of Submerged Arc Spiral Welded Tube of X70 Steel

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  • Received Date: March 11, 2001
  • Revised Date: June 24, 2001
  • Available Online: December 14, 2023
  • To meet the need for the Sebei-Xining-Lanzhou Natural Gas Pipeline Project, R & D of the X70 steel submerged arc spiral welded tube with a size of Φ660 mm×10.3 mm was carried out. Detailed in the article are the trial manufacture of the tube and the testing and measurement data thereof. The data and relevant field feedback show that all the technical and quality data of the tube as actually measured have been up to the specific requirements.
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