SHINESTAR GROUP STEEL CO., LTD

盛仕达 钢铁 股份有限公司

Νέα προϊόντων

  • Difference between erw pipe and uoe pipe

    Difference between erw pipe and uoe pipe

    Compared with submerged arc welding, high-frequency resistance welded steel pipe (ERW steel pipe) does not add any welding material during welding, weld without hot melt state, just weld metal after recrystallization process, Therefore, exactly the same chemical composition of the base metal and ...
    Διαβάστε περισσότερα
  • Defect of Large-diameter and Thick-walled Tubes

    Defect of Large-diameter and Thick-walled Tubes

    Rare crack morphology exist: crack parts of the tube on the surface, the appearance of cracks is one of the rare defects in the tube production in the S355. Dendritic, intermittent appearance oxidation. Further microscopic cracks within the iron oxide, black or dark gray. Analysis: the main reaso...
    Διαβάστε περισσότερα
  • Comparison for spiral pipes and seamless pipe

    Comparison for spiral pipes and seamless pipe

    Seamless tube is a kind of hollow section, and the peripheral no joint of strip steel. Seamless steel pipeis no seam, hot or cold drawing process molding. Characteristic is confined good. Spiral pipe features: straight seam welding tube production process is simple, high production efficiency, lo...
    Διαβάστε περισσότερα
  • Bright annealing tube

    Bright annealing tube

    Bright annealing tube under a reducing atmosphere or in a vacuum protection, after high temperature solid melting and rapid cooling to get the stainless steel tube, requiring the inner surface has a very good surface roughness and cleanliness, is a comprehensive consideration of organizational st...
    Διαβάστε περισσότερα
  • ASTM A312 SEAMLESS STEEL PIPE

    ASTM A312 SEAMLESS STEEL PIPE

    ASTM A312 SEAMLESS STEEL PIPE ASTM A 312 seamless steel pipe is mainly applies to the use of high temperature and general corrosion seamless and welded austenitic stainless steel male pipe. Level mainly TP304H, TP309H, TP309HCb, TP310H, TP310HCb,TP316H, TP321H and TP347 suitable for high-temperat...
    Διαβάστε περισσότερα
  • Angle for spiral welded steel pipe

    Angle for spiral welded steel pipe

    From the welding process, the spiral steel pipe with straight seam welding method is consistent, but inevitably there will be a lot of Longitudinal welds T, so there is the probability of weld defects, which is also greatly improved, and T-weld welding residual stress is large, the weld metal are...
    Διαβάστε περισσότερα
  • Advantage of ms pipe and DSAW Steel Pipe

    Advantage of ms pipe and DSAW Steel Pipe

    (1)Advantage of ms pip Ms pipe annealing organization ferrite and pearlite, lower its strength and hardness, ductility and toughness. Therefore, it can be a good cold formability curling, bending, stamping and other methods of cold forming. This steel has a good weldability. Low carbon content ...
    Διαβάστε περισσότερα
  • Advantage of erw pipe

    Advantage of erw pipe

    High-frequency welded pipe (ERW) is hot-rolled coil by forming machines, the use of high-frequency current to the skin effect and proximity effect, so that the tube edge carn heat and melt in the role of the squeeze rollers under pressure welding production. high frequency resistance welding meth...
    Διαβάστε περισσότερα
  • A513-100 Standard Specification for ERW Carbon Steel

    A513-100 Standard Specification for ERW Carbon Steel

     A513-100 Standard Specification for ERW Carbon Steel The steel may be made by any process If a specific type of melting is required by the purchaser, it shall be as stated on the purchase order. The primary melting may incorporate separate degassing or refining, and may be followed by secondary ...
    Διαβάστε περισσότερα