Views: 0 Author: Site Editor Publish Time: 2022-06-21 Origin: Site
Galvanized pipe is a galvanized pipe made by bending the strip or coil in a spiral shape, and welding the inner seam and the outer seam by double-sided submerged arc automatic welding. It can be widely used in construction, machinery and equipment for the following reasons. , coal mines, chemicals, railway vehicles, automobile industry, highways, bridges, containers, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.
1. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life. The galvanized pipe substrate undergoes complex physical and chemical reactions with the molten bath to form a corrosion-resistant zinc-iron alloy layer with a tight structure. The alloy layer is integrated with the pure zinc layer and the steel tube substrate. Therefore, it has strong corrosion resistance.
2. As long as the forming angle is changed, the same width of strip steel can be used to produce steel pipes of various diameters, which is easy to adjust.
3. Because it is formed by continuous bending, the fixed length of the spiral tube is not limited, and the length can be arbitrarily determined.
4. The spiral shape of the welding seam is evenly distributed on the entire circumference of the spiral tube, so the dimensional accuracy of the spiral tube is high and the strength is also strong.
5. It is easy to change the size, suitable for the production of small batches and multiple varieties of spiral pipes. The welding seam of the galvanized pipe is longer than that of the straight seam pipe of the same specification. Under the same specification of wall thickness, the hot-dip galvanized steel pipe bears the greatest pressure.
6. Welded steel pipes with hot-dip galvanized or electro-galvanized coating on the surface of galvanized pipes. Galvanizing can increase the corrosion resistance of steel pipes and prolong the service life.
Pre-Galvanizing Pipe is widely used in petroleum ,chemical industry, construction, shipbuilding, communications, electricity and underground gas pipelines and many other fields.
Pre-Galvanizing Pipe is galvanizing, Zinc layer is an electroplating layer, and zinc layer is separately stratified with the steel tube matrix.
Pre-galvanized steel pipe is the treatment of steel pipe before galvanizing: degreasing treatment, derusting treatment, phosphating treatment, drying treatment.
Hot dipped galvanized steel pipe is in manufacturing process using steel pipes of removed rust dipped into zinc liquid of 500℃ temperatures, and making steel surface attached zinc layer so as to achieve the purpose of anti-corrosion.
Hot galvanizing process specially suitable for kinds of strong-acid, alkali fog and other strong corrosive conditions. This kinds of fastener used a lot in outside of steel tower contribution.
Black steel pipes have a variety of use. Thanks to their strength and needs for little maintenance. They tend to be used for transporting gas and water to rural areas and urban areas or for conduits that protect electrical wiring and deliver high pressure steam and air. In addition, black steel pipes are also used in oil and petroleum industries for piping large quantities of oil through remote areas.
Other uses of black steel pipes include gas distribution inside and outside homes, water wells and sewage systems. However, black steel pipes are never used for transporting potable water due to the fact that they tend to corrode in water and mineral of the pipe will dissolve into the water and clog the line as well.
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Seamless pipes are manufactured by extruding the metal to the desired length. Thus, they do not have any joint in its cross-section throughout its length. seamless pipes are marketed on an outdated myth that it does not have flaws but that welded has an inherent flaw throughout the length of each tube, as stated above. Intuitively this concept is easily accepted by purchasers and designers with limited experience with the various products.
Steel porp refers to the use of steel pipe, H-shaped steel, angle steel, etc. to enhance the stability of the engineering structure. Generally, it is an inclined connecting member, and the most common are herringbone and cross shapes. Steel supports are widely used in subways and foundation pits. Because the steel support can be recycled and reused, it is economical and environmentally friendly.
Steel coil is sheet metal supplied in coil form. Depending on the production method, such coil is classified as hot-rolled, cold-rolled, galvanised or polymer-coated . Steel coil is used across industry, the main consumers being the construction and machine-building sectors.
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