First, the installation steps of plastic-coated composite spiral steel pipes used in water supply projects:1. When choosing a suitable pipeline, you must first ensure that the selected plastic-coated composite spiral steel pipe meets the requirements of relevant standards and has good corrosion resi
READ MORELarge diameter straight seam steel pipe process flow and main equipmentProcess the two plate edges into the required form at one time. Steel plate edge milling machine: Mechanical processing of both sides of the plate used for pipe making, and making the parallelism of the two plate edges within the
READ MORE1. Welding seam defects: Welding seam defects are serious and need to be compensated by manual mechanical grinding. The resulting grinding marks will cause the surface to be uneven and affect the appearance. Only pickling and passivating the welds also result in uneven surfaces.2. Scratches are diff
READ MORESC20 steel pipe, as an important steel product, has a wide range of applications in the industrial field, and its advantageous characteristics make it very popular.1. Basic characteristics of SC20 steel pipeSC20 steel pipe is an alloy steel pipe with a high carbon content. Its main components are ca
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