Hebei spiral steel pipe spot buried large-diameter spiral steel pipe for water supply and anti-corrosion spiral steel pipe manufacturer

Description :

　　L415 spiral steel pipe is mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, and is one of the twenty key products developed in China. Used for liquid transportation: water supply and drainage. Used for gas transportation: coal gas, steam, liquefied petroleum gas. Used for structural purposes: as pile driving pipes, as bridges; Pipes for docks, roads, building structures, etc.

　　L415 spiral steel pipes are divided into single-sided welding and double-sided welding. The pipe body should ensure that the hydraulic pressure test, tensile strength of the weld seam, and cold bending performance meet the regulations. The strength of spiral pipes is generally higher than that of straight seam welded pipes. Spiral pipes can produce welded pipes with larger diameters using narrower steel strips, and can also produce welded pipes with different diameters using steel strips of the same width. However, compared to straight seam pipes of the same length, the length of the weld seam increases by 30~, resulting in a lower production speed. Therefore, most welded pipes use straight seam welding, while large-diameter welded pipes mostly use spiral pipes.

　　Rust problem of L415 spiral steel pipe:

　　The production material of L415 spiral steel pipe is steel pipe, and the stainless steel products in the steel pipe may also rust. If the L415 spiral steel pipe is not stored properly, it will also rust. Due to its large volume, most of the L415 spiral steel pipes are stored outdoors, which makes them more prone to rusting.

　　At the same time, with the development of technology and in order to solve the problem of corrosion, a new type of product, anti-corrosion spiral tube, has been developed, which incorporates anti-corrosion technology during processing. L415 spiral steel pipe can effectively prevent or slow down rusting, which can effectively prevent corrosion of spiral pipes during use. Of course, for a more reassuring use, the L415 spiral steel pipe should be rust removed during use. At the same time, daily storage and maintenance of spiral tubes should also be done well.

　　How to increase the stability of spiral steel pipes:

　　1) Small and medium-sized steel sections, wire rods, steel bars, medium diameter steel pipes, steel wires, and steel wire ropes can be stored in well ventilated sheds, but they must be covered with tarpaulins and padded underneath.

　　2) Some small steel products, thin steel plates, steel strips, silicon steel sheets, thin-walled steel pipes, various cold-rolled and cold drawn steel products, as well as high priced and easily corroded metal products, can be stored in the warehouse.

　　3) The site or warehouse for storing spiral steel pipe products should be located in a clean and well drained area, away from factories or mines that produce harmful gases or dust. Weeds and all debris should be removed from the site to keep the steel clean.

　　4) Large steel sections, rails, steel plates, large-diameter steel pipes, forgings, etc. can be stored outdoors.

　　5) Do not stack materials that are corrosive to steel, such as acid, alkali, salt, cement, etc., together in the warehouse. Different types of steel should be stacked separately to prevent confusion and contact corrosion.

　　6) The warehouse should be selected based on geographical conditions, generally using ordinary enclosed warehouses, which have roofs, walls, tight doors and windows, and ventilation devices.

　　7) The warehouse requires ventilation on sunny days and moisture-proof closure on rainy days, and a suitable storage environment should be maintained regularly.

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• spiral steel pipe