Трубы из углеродистой стали

  • Из углеродистой стали Бесшовные трубы

    Из углеродистой стали Бесшовные трубы

    Seamless Steel Pipe is made from a solid round steel ‘billet’ which is heated and pushed or pulled over a form until the steel is shaped into a hollow tube. The seamless pipe is then finished to dimensional and wall thickness specifications in sizes from 1/8 inch to 32 inch OD. Carbon Steel Seamless Pipes / Tubes Carbon steel is an alloy consisting of iron and carbon. The percentage of carbon in the steel affects the hardness, strength of elasticity and ductility of carbon steel. Seamless car...
  • Из углеродистой стали сварные трубы

    Из углеродистой стали сварные трубы

    Butt-welded pipe is formed by feeding a hot steel plate through shapers that will roll it into a hollow circular shape. Forcibly squeezing the two ends of the plate together will produce a fused joint or seam. Figure 2.2 shows the steel plate as it begins the process of forming butt-welded pipe   Least common of the three methods is spiral-welded pipe. Spiral-welded pipe is formed by twisting strips of metal into a spiral shape, similar to a barber’s pole, then welding where the edges j...
  • Оцинкованные стальные трубы

    Оцинкованные стальные трубы

    Galvanized seamless pipe is divided into cold-plated steel seamless pipe and hot dip seamless pipe. Hot dip seamless pipe The Redu seamless pipe is to make the molten metal and iron substrate reaction, the alloy layer, so that the substrate and coating combination of both. Hot-dip galvanizing is the first steel pickling, in order to remove the steel pipe surface of iron oxide, pickling, aqueous solution of ammonium chloride or zinc chloride or ammonium chloride and zinc chloride mixed aqueous...
  • Структурные стальные трубы

    Структурные стальные трубы

    The structure steel pipe has hot – rolled seamless steel tube and welded steel tube.The seamless steel tube for structure is divided into two types according to the provisions of “seamless steel tube for structure” (GB/ t8162-2008) : hot rolling (extrusion, expansion) and cold drawing (rolling).The outer diameter of hot-rolled steel pipe is 32-630mm and the wall thickness is 2.5-75mm. The outer diameter of cold-drawn steel pipe is 5-200mm and the wall thickness is 2.5-12mm. ...
  • Черная труба стальная

    Черная труба стальная

    Black steel: Black iron is the uncoated steel and is also called as black steel. When steel pipe is forged, a black oxide scale forms on its surface to give it the finish which is seen on this type of pipe. Because black steel is subject to rust and corrosion, the factory also coats it with protective oil. Those black steel are used for manufacturing pipe and tube, which will not rust for a long time and requires very little maintenance. It is sold in standard 21-foot lengths TBE. Usages of b...
  • Бойлер трубы

    Бойлер трубы

    Boiler tubes is a one of seamless pipe. Manufacturing methods is the same as seamless tube, but it has the stringent requirements for manufacture of steel pipes. According to the temperature level,boiler tube is divided into general boiler tubes and high pressure boiler tube. Production methods: ① general boiler tube temperature is below 450 ℃, using hot-rolled pipe or cold drawn tube manufacture steel pipe. ② high-pressure boiler tube is used often in conditions of high temperature and high ...