The welding process of high-frequency welded steel pipe (erw) is carried out under the condition of fast heating rate and high cooling rate. The rapid temperature change causes a certain welding stress, and the structure of the weld also changes. The structure in the welding center area along the weld is Low-carbon martensite and small area of free ferrite;…
Read MoreStraight seam welded pipe: a steel pipe with the weld seam parallel to the longitudinal direction of the steel pipe. According to the forming process, it is divided into high frequency straight seam steel pipe (erw pipe) and submerged arc welded straight seam steel pipe (lsaw pipe). 1. Construction preparation before use of straight seam welded pipe The pipeline…
Read MoreIn order to ensure that “tube pulling” and “tube stacking” do not occur in the forming section, welding section and sizing section, according to the rolling principle of high-frequency straight seam welded pipe (ERW), it is necessary to ensure that the welded tube blank maintains proper tension in each section. In addition to the pass speed and rolling force,…
Read MoreSales name：Jenny Project location: Mexico Product: ERW STEEL PIPE Standard and material：API5L PSL2 GrB Specifications：273*9.27、323.9*9.53、406.4*9.53、 609.6*9.53 Application: For processing diesel, gasoline Inquiry time：2021.08.07 Order time：2021.10.23 Shipping time：2022.02.26 Arrival time：2022.03.22
Read MoreSales name：April Project location：New Zealand Product：ERW Steel Pipe Standard and material：API 5L PSL1 GR.B Specifications：DN250*SCH20*18M Usage：Water Transmission Project Inquiry time：2021.06 Order time：2022.02.22 Shipping time：2022.04.15 Estimated arrival time：2022.05.15
Read MoreSales name：Niki Project location： Vietnam Product：ERW STEEL PIPE Standard and material：JIS G3444 STK490 Specifications： 139.8*4.5*6000MM 267.4*9.3*6000MM Usage：Structural Pipe Inquiry time：2022.02.10 Order time：2022.02.25 Shipping time：2022.04.16 Estimated arrival time：2022.05.01
Read MoreSales name：Tony Project location：New Zealand Product：ERW STEEL PIPE, Helix and Penny washers. Standard and material：AS1163 GR.350 Specifications： 219 x 12 x 10000mm Helixes – 700 x 226 x 25mm Penny washers – 190 x 0 x 25mm Usage：Screw Pile Accessory Parts Inquiry time：2022.02.16 Order time：2022.02.18 Shipping time：2022.03.27 Estimated arrival time：2022.05.03
Read MoreProject location：Australia Product：ERW Specifications：DN400 STD 18meter Standard and material：API 5L PSL2 X42M Usage：Water Transmission Inquiry time：2021.5 Order time：2021.11 ETD：2022.2 ETA：2022.3 At the end of May 2021, Xinyue received an inquiry from old customers about the project of 18m welded pipe and flange, and the products are used for the local water transmission pipeline project in Australia. After a series…
Read MoreXINYUE STEEL GROUP set up several production bases in Tianjin & Hebei Province, manufacturing ERW Steel Pipe, SSAW Steel Pipe, LSAW Steel Pipe, Seamless Steel Pipe, Scaffolding system and couplers, RHS, SHS, etc.
