Welded pipe, also known as welded pipe, is a steel tube made of rolled steel or strip after curl forming. The welded pipe has a simple production process, high production efficiency, many specifications and less investment in equipment, but the general strength is lower than that of seamless steel pipe. Ji'nan galvanized pipe manufacturer will tell you the difference between welded pipe and galvanized 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, auto 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 made of Q195A, Q215A and Q235A steel. It is also possible to make use of other soft steel which is easily welded. The steel pipes should be subjected to water pressure, bending, flattening and other experiments. There are certain requirements for the surface quality. The delivery length is usually 4-10m, and the delivery requirements are always fixed. The specification of welded pipe is different from the nominal diameter of the nominal caliber. The welded pipe has two kinds of ordinary steel pipe and thick steel pipe according to the specified thickness. Two kinds of pipe are divided into the pipe end form with the thread and without the thread.
Galvanized steel pipe: in order to improve the corrosion resistance of the steel pipe, galvanized the general steel pipe. Galvanized steel pipes are divided into two types, hot galvanizing and electric steel zinc.
Oxygen blow welded pipe: used as oxygen blowing pipe for steel making, usually with small diameter welded steel pipe, the specification is 3/8 inch -2 inch eight.
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