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API5L X42 Spiral Steel Pipe stock

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  • [Industry News] Quality inspection of spiral steel pipe

    Spiral steel pipes should be subjected to mechanical performance test, flattening test and flaring test before leaving the factory, and must meet the requirements of the standard. The quality inspection methods of straight seam steel pipes are as follows:1. Judging from the surface, that is, in appe

  • [Industry News] How to increase the stability of spiral steel pipe

      1) Small and medium-sized steel bars, wire rods, steel bars, medium-diameter steel pipes, steel wires and wire ropes, etc., can be stored in a well-ventilated material shed, but must be placed on top and under the pad.  2) Some small steels, thin steel plates, steel strips, silicon steel sheets,

  • [Industry News] How to increase the stability of the spiral tube

    1. Small and medium-sized steel bars, wire rods, steel bars, medium-diameter steel pipes, steel wires and wire ropes, etc., can be stored in a well-ventilated material shed, but must be topped and bottomed.2. Some small steels, thin steel plates, steel strips, silicon steel sheets, small-diameter or

  • [Industry News] Spiral steel pipe production process

    Spiral steel pipe is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip into a tube blank at a certain spiral angle (called forming angle), and then welding the tube seam together. It can be made with a narrower strip Steel produces large diameter steel pipes. Its

  • [Industry News] Knowledge of the diameter of the spiral tube

    Generally speaking, the diameter of spiral steel pipe can be divided into outer diameter, inner diameter, and nominal diameter. The outer diameter of a spiral steel pipe is indicated by the letter D, followed by the size and wall thickness of the outer diameter. For example, a seamless steel pipe wi

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