steel pipe

　　Corrosion resistance and high performance would be main factors for choosing steel pipes from suppliers for fabrication. Affordability would be followed by materials used in various steel pipes. Actually, it would be not much concern by choosing stainless steel pipe among   seamless steel pipe or ERW steel pipe. 　　Diffusion in solids is of importance in metallurgical operations. So does for the production of various steel pipes. Thus there are different grades even in a type of stainless steel, such as AISI type 409, 11CfCb, 430, 436, 439, and 18CrCb and so on. Once this kind of pipe can meet this demand for relative engineering project, no matter which grade you chose, you can find that they can provide the metallurgical option for your work. 　　Why ferritic stainless steel has such function? With the joining of proper chromium, titanium and niobium, these steel pipes get great corrosion resistance, inherently higher strength level than carbon steels. Thus different p...

Seamless steel tube is an round hollow section of steel that is used as a conduit for conveying fluids such as oil, natural and gas, water and boiler tube. Hot spinning,  hot extrusion and hot piercing rolling would be three main forming methods for producing   seamless steel pipe . How can we choose the method for manufacturing steel pipes? Let’s start from their features. Hot extrusion:  Billet machining pre-treatment before extrusion needs here. Advantage:  Low equipment investment, less waste in material, mature technology. Disadvantage:  Extruded tube diameter has to be below 100mm, and the corresponding control system to upgrade according to different diameters of the steel pipe. Hot spinning:  With pressure taking, flat blank or pre molded blank is worked for rotating core rod. Finally, customers get thin-walled hollow rotary body products. Advantage:  High precision products, good mechanical properties, range size, simple producing...

　　A steel pipe is a hollow pipe that is suitable for conveying liquids, powdery objects and gases. It is a kind of economical steel. Steel can be used to build a structure of the structure, used as a mechanical support, both to save materials, but also reduce their weight. 　　Steel pipe plant in accordance with the production method of the steel pipe is divided into seamless steel pipe and sewn. Seamless steel pipe is mainly used for water and oil and gas transport, because it is not welded joints, durable, water vapor is not easy to leak, and that is, it can withstand the pressure. Especially the transmission of gas, the pressure is too large, it is easy to cause an explosion, for people's lives and property caused great security risks. 　　 Seamless steel pipe is also divided into seamless steel pipe and seamless steel pipe. Alloy seamless steel pipe can withstand the high pressure of 5310, mainly used for oil and gas pipelines, both safe and durable. For underground ...

　　First, no mandrel pull (pull only when the die is not mandrel); 　　Second, short mandrel pull (with extubation die when the pull and the axis of the fixed length of the short mandrel); 　　Third, the long mandrel pull (pull out with the extubation die and pull the steel pipe with the length of the length of the pipe is slightly larger than the length of the mandrel) 　　Fourth, the swing mandrel pull (pull with the extubation die and not for axial fixed and can be self-stable in the deformation area in the short mandrel). During which the first two kinds of production in the production was particularly prevalent; coreless rod drawing to reduce the outer diameter of the steel pipe; the other three with the mandrel of the rod is used to tighten the wall thickness of the pipe, together with a certain reduction Deformation. 　　 Original URL： http://www.xysteelpipe.com/info/Cold-drawn-seamless-steel-pipe-production-method-434-1.htm