The factors affecting the welding quality of high-frequency welded pipes mainly include the following aspects:(1) Welding pressure It is one of the main parameters of the welding process and affects the strength and toughness of the weld. If the welding pressure is too small, the welded edges cannot be sufficiently pressed, so that the Defect Analysis of High-precision Cold-rolled Seamless Nov 20, 2020 · Therefore, comprehensively speaking, the high-frequency welded pipe is included in the ERW welded pipe, which is a kind of ERW welded pipe produced by the high-frequency welding process. ERW longitudinally welded pipe is a steel pipe with advanced performance, leading quality and relatively economical product in the field of oil and gas storage
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Quality of High Frequency Welded Steel Pipe The time of issue:2013-10-22 8:39:34 Author:In the production process of high frequency welded steel pipe, the operation would affect the quality of final products.Due to the difference between welding technology, the features including welding current, welding pressure, welding speed and angular aperture are not all the same. The difference between straight seam welded pipe and Welded steel pipes are divided into straight seam welded pipes (ERW Steel Pipe) and spiral welded pipes according to the form of welds. Straight seam welded pipe has simple production process, high production efficiency, low cost and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes. The difference between straight seam welded pipe and Welded steel pipes are divided into straight seam welded pipes (ERW Steel Pipe) and spiral welded pipes according to the form of welds. Straight seam welded pipe has simple production process, high production efficiency, low cost and rapid development. The strength of spiral welded pipes is generally higher than that of straight seam welded pipes.
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