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The method of seamless steel pipe cutting machine error
The main factors affecting the quality of seamless steel pipe cutting all aspects of machine tools, tools, fixtures, workpiece blank, process methods and processing environment. To improve the quality of seamless steel pipe cutting, these aspects must be taken on appropriate measures, such as red...Read more -
The Benefits of Spiral Pipe
One of the most popular types of piping used for the flow of air within high-pressure systems located in structures and dwellings is spiral pipe (SP). It is an alternative choice to standard rectangular piping. It’s long lasting and very cost effective. SP can be used in a variety of differ...Read more -
The LSAW steel pipe
The damaged form of LSAW steel pipe surface LSAW steel pipe is formed by the surface layer of very thin and strong stability of fine chromium-rich oxide film (protective film), to prevent the continued infiltration of oxygen atoms, to oxidation, and access to anti-corrosion ability. If there is s...Read more -
Steel pipe pickling procedure
So called pickling is using hydrofluoric acid and nitric acid solution to wash steel surface oxide generated after heat-treated. Used in the solution composition and ratio values: HF (3-8%), HNO3 (10-15%), H2O (the remaining amount) when processing solution temperature at 40-60 °C. Steel pipe pic...Read more -
ERW steel pipe equipment and city gas pipeline network construction
ERW steel pipe equipment ERW steel pipe equipment is mainly following types: Equipment series of cold-formed steel: cold-formed steel welded pipe equipment, cold-formed steel equipment, cold-formed steel, cold-formed steel machinery, steel equipment, unit of cold-formed steel, cold-formed steel e...Read more -
Drill pipe
Drill pipe is used for core drilling for geological department, which is a kind of hollow cross section, no seams around the long bar of steel. Steel hollow sections with a large pipe for transporting fluids, such as the transportation of oil, gas, coal gas, water and some solid materials, pipes,...Read more