Welded steel pipe, also known as welded pipe, is made of steel plate or strip rolled after welding and made of steel tube, generally 6 meters in length. The welding steel pipe has simple production process, high production efficiency, many varieties and less investment in equipment, but the general strength is lower than that of seamless steel pipe.
Ji'nan galvanized pipe is classified according to its purpose: it is also divided into general welding pipe, galvanized pipe, oxygen blowing pipe, wire sleeve, common pipe, roller tube, deep well pump tube, automobile pipe, transformer pipe, welding thin wall tube, electric welding special-shaped tube, scaffolding tube and spiral welded pipe.
General welded pipe: General welded pipe for conveying low pressure fluid. It is also possible to make use of other soft steel which is easily welded. The steel pipe should carry out the test of water pressure, bending and flattening. There is a certain requirement on the surface quality, usually the delivery length is 4-10m, and the delivery is often required. The specification of welded pipe is different from the nominal diameter of nominal diameter (millimeter or inch). The welded pipe is divided into two kinds, ordinary steel pipe and thick steel pipe according to the specified thickness, and two kinds of pipe are threaded and without thread.
Galvanized steel pipe: to improve the corrosion resistance of steel pipes, galvanized steel pipes (black pipes). Galvanized steel pipes are divided into two types, hot galvanizing and electric steel zinc.
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