News

  • Price List for Small Diameter LSAW Steel Pipe 01-14-2020

    Price List for Small Diameter LSAW Steel Pipe 01-14-2020

    API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE FOB TIANJIN Outside Diameter 外径 (mm) USD/TON 406 457 508 609.6 711.1 762 812 863.6 Wall 8 668 668 674 662 667 662 667 667 Thickness 9.53 636 655 662 642 647 642 647 647 壁厚 (mm) 10 636 623 629 642 647 642 647 647 12...
    Read more
  • Oil casing is the lifeline for maintaining oil and running

    Oil casing is the lifeline for maintaining oil and running

    Petroleum special pipe is mainly used for drilling of oil and gas wells and transportation of oil and gas. It includes petroleum drilling pipe, petroleum casing, and sucker pipe. Oil drill pipe is mainly used to connect drill collar and drill bit and transmit drilling power. Oil casing is mainly ...
    Read more
  • Where does the classification of stainless steel pipes come from?

    Where does the classification of stainless steel pipes come from?

     Where does the classification of stainless steel pipes come from?  In stainless steel pipes, steel that is resistant to corrosion by weakly corrosive media such as air, steam, and water, and chemically corrosive media such as acid, alkali, and salt, is also called stainless acid-resistant steel...
    Read more
  • These advantages of the export welding process of spiral steel pipes have directly established its market position

    These advantages of the export welding process of spiral steel pipes have directly established its market position

    These advantages of the export welding process of spiral steel pipes have directly established its market position 1.High production efficiency On the one hand, the conductive length of the welding wire is shortened, and the current and current density are increased, so the penetration depth of t...
    Read more
  • Do you really know the specific use of seamless  steel tubes?

    Do you really know the specific use of seamless steel tubes?

    Seamless steel tubes are very versatile. General purpose seamless steel tubes are rolled from ordinary carbon structural steel, low alloy structural steel or alloy structural steel, with the largest output, and are mainly used as pipelines or structural parts for transporting fluids. According to...
    Read more
  • Annealing type of spiral steel pipe

    Annealing type of spiral steel pipe

    Annealing type of spiral steel pipe  1. Spheroidizing annealing Spheroidizing annealing is mainly used for hypereutectoid carbon steel and alloy tool steel (such as steel used for manufacturing cutting tools, measuring tools, and molds). Its main purpose is to reduce hardness, improve machinabili...
    Read more