The production process of large-diameter welded pipe is mainly divided into the following types:1. Large-diameter spiral steel pipe, also known as (large-diameter spiral welded pipe, large-diameter submerged arc welded spiral pipe, large-diameter spiral pipe, or double-sided submerged arc welded spi
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Galvanized steel pipes can be welded, but the galvanized layer at the weld must be polished off, otherwise, air bubbles, trachoma, false welding, etc. will occur. It will also make the weld brittle and reduce rigidity.Welding characteristics of galvanized steel pipe:Galvanized steel pipes are genera
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1. Different definitions: Welded steel pipe refers to a steel pipe with seams on the surface that is welded after bending and deforming a steel strip or steel plate into a shape such as a circle or a square. Galvanized welded pipe is welded steel pipe coated with galvanized steel.2. Different classi
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We all know that most of the added elements give standard range values when an element is at a certain value, and the element's balance theory should be adjusted accordingly. A high level of spiral balance is calculated for a range of values and is in full compliance with the requirements of the
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