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Introduction Of Welded Pipe In Hot Sale (1)
Feb 05, 2018

Welded pipe, also known as welded pipe, is a steel pipe made of rolled steel or strip after curling, usually 6 meters. The welding steel pipe production process is simple, the production efficiency is high, the variety specification is many, the equipment investment is few, but the general strength is lower than the seamless steel pipe.

Since the 1930s, with the rapid development of high quality strip rolling and the progress of welding and inspection technology, the quality of welding seam is continuously raised.

Welded pipe

Welded pipe

Up, the variety and specification of welded steel pipe is increasing, and the seamless steel pipe has been replaced in more and more fields. The welded pipe is divided into the straight welded pipe and the spiral welded pipe in the form of the weld. Methods: according to the classification of the production process classification - arc welding, resistance welding, (high frequency, low frequency) gas pipe, the furnace pipe.


Small caliber straight seam welding pipe with large diameter pipe, is the use of spiral welded pipe end; according to the shape divided intocircularwelded pipeand profiled (square and rectangular pipe etc.); according to the material and use different mine fluid transport welded steel pipe, low pressure fluid conveying galvanized welded steel pipe, welded steel pipe with roller conveyor etc.. According to the table size in the current national standard, sorted by diameter * wall thickness increasing.