News

  • What should I do if a 316L thick-walled stainless steel pipe is corroded

    What should I do if a 316L thick-walled stainless steel pipe is corroded

    Because 316L thick-walled stainless steel pipe is corrosion-resistant, impact-resistant, and high-temperature resistant, it is often used in medicine, chemical industry, food, light industry, chemical machinery, industrial pipelines, and mechanical parts. Of course, thick-walled steel pipes are a...
    Read more
  • Analysis of the causes of transverse cracks on the inner wall of cold-drawn seamless steel pipes

    Analysis of the causes of transverse cracks on the inner wall of cold-drawn seamless steel pipes

    20# seamless steel pipe is the material grade specified in GB3087-2008 “Seamless steel pipes for low and medium pressure boilers”. It is a high-quality carbon structural steel seamless steel pipe suitable for manufacturing various low-pressure and medium-pressure boilers. It is a comm...
    Read more
  • The difference and treatment of steel plate delamination and cold brittle cracking after welding (fire cutting)

    The difference and treatment of steel plate delamination and cold brittle cracking after welding (fire cutting)

    Steel plate delamination and cold brittle cracking after steel plate fire cutting and welding generally have the same manifestation, both of which are cracks in the middle of the plate. From the perspective of use, the delaminated steel plate must be removed. The whole delamination should be remo...
    Read more
  • Latest Steel Pipe Stock List

    Latest Steel Pipe Stock List

    Fire Fighting network ASTM A106 – schedule 40 – PE(Plain Ends) – seamless steel pipe – red paint for all pipe item Item Specification Outer Diameter (inch) Outer Diameter (mm) Wall Thickness (mm) Length (m) Weight(kg/m) End Type Total Quantities (...
    Read more
  • STEEL PIPE PRICE LIST

    STEEL PIPE PRICE LIST

    Product price list (price unit: RMB)   American standard: API 5L, ASTM A106/A53 German standard: DIN 1629 Material: 20#, Gr.B, ST44   N.D. O.D. (MM) SCH40 SCH80 W.T. Weight Price W.T. Weight  Price (MM) (KG/M) (Yuan/ton) (MM) (KG/M) (Yuan/ton) 1/4″ 13.7 2.24 0.63 8100 3....
    Read more
  • Analysis and control methods of common appearance defects of steel sections

    Analysis and control methods of common appearance defects of steel sections

    1. Insufficient filling of steel angles Defect characteristics of insufficient filling of steel angles: Insufficient filling of finished product holes causes a lack of metal at the edges and corners of steel, which is called insufficient filling of steel angles. Its surface is rough, mostly along...
    Read more
123456 Next > >> Page 1 / 252