Volume 36 Issue 2
Apr.  2021
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CHEN Siyuan, XUE Genqi, ZHANG Yingjie, ZHENG Yanzhao, WANG Bin. Research on Submerged Arc Welding Technology of Medium Thick Low Alloy Q345R Steel Plate[J]. Development and Application of Materials, 2021, 36(2): 79-82.
Citation: CHEN Siyuan, XUE Genqi, ZHANG Yingjie, ZHENG Yanzhao, WANG Bin. Research on Submerged Arc Welding Technology of Medium Thick Low Alloy Q345R Steel Plate[J]. Development and Application of Materials, 2021, 36(2): 79-82.
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Research on Submerged Arc Welding Technology of Medium Thick Low Alloy Q345R Steel Plate

  • Henan Pinggao Electric Co. Ltd., Pingdingshan 467001, China

  • Received Date: 2020-04-27
  • Publish Date: 2021-04-25
    Abstract
  • The welding process of Q345 R with H10 Mn2 as welding wire and SJ101 as welding flux was studied.Resultsshowed that the tensile strength of the welding joint reached 517 MPa, higher than the minimum 490 MPa of the base material, and that the minimum value of -20℃ low temperature V-shaped impact energy absorption was 98 J, higher than the minimum requirement of 41 J, so the welding joint could meet the I grade requirement of NB/T 47013.2-2011. It manifested that the chosen welding materials and the welding process could satisfy the quality requirement for the submerged arc welding of Q345 R medium thick low alloy steel.

     

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