An automatic double-wire front and back arc welding process is used to weld high frequency welded pipe, which is a spiral high frequency welded pipe made of strip steel that is typically extruded at high temperatures. To create a round finishing tube with an opening gap, the strip is cold-rolled by
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1. How to connect galvanized steel tubeThere are three main connection methods when connecting, which are wire type, welding type, and rolling groove type.（1）If the thread type method is used, the thread button cannot be in complete contact with the pipe hoop of the steel pipe, otherwise it
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The primary distinction between ERW steel pipe and seamless steel pipe is the presence of a weld seam, which is critical to the quality of ERW steel pipe. Due to the unrelenting efforts of many years in the world, particularly in the United States, the production technology and equipment of modern E
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The main advantages of plastic pipes(1) Good chemical stability, not affected by environmental factors and medium components in the pipeline, and good corrosion resistance.(2)Small thermal conductivity, low thermal conductivity, thermal insulation, and good energy-saving effect.(3)The hy
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