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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Steel billet prices jumped up and down in three days, and the judges couldn't help but wonder what the "demon billet" really wanted. The author will examine the following factors.First, the billet price's "up and down" movement in a short period of time is intended to sti
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