TOBO STEEL GROUP CHINA
TOBO ALLOY GROUP TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes,
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42Cr Precision Steel Tube Deep Hole Tube 1216 Stainless Steel Tube 5 5 6 03 6 8 7 03 8 03 Seamless Tube Outer Diameter
Steel tubes are divided into seamless steel tubes and welded steel tubes. Seamless steel tube production process is the solid tube billet or steel ingot into hollow capillary, and then rolled into the desired size of the steel tube. Different methods of perforating and rolling are used to produce seamless steel tubes. The production process of welded steel pipe is to bend the steel billet (steel plate or strip) into a tube shape and then weld the gap to become steel pipe. Because of the different forming and welding methods used, different methods of producing welded steel pipe are formed.
Seamless steel tubes are mainly produced by hot rolling. The extrusion method is mainly used in the production of difficult to perforate low plastic high alloy steel pipe or special-shaped steel pipe and composite metal pipe. The hot rolled pipe can be processed into small diameter and thin wall steel pipe by cold rolling and cold drawing. The welding steel pipe process is simple, the production efficiency is high, the cost is low, the product variety expands day by day. Seamless and welded steel tubes
