Composite steel pipe is a cost-effective product in steel-plastic composite pipe products, and its application is quite extensive. For example: in the water supply and drainage system, fire sprinkler system, gas pipeline system for oil and petroleum transportation, cable thread protection pipe system, etc. And other major areas. The next small series for everyone to introduce composite steel pipe and composite steel pipe classification.
What is a composite steel pipe
In simple terms, it is a composite of steel and plastic, it has the common advantages of both, such as composite steel pipe with superior compressive and tensile properties. In addition, it is also excellent in corrosion resistance, acid and alkali resistance, and wear resistance. This kind of pipe also has a rich color appearance, and can also satisfy the merchants in different fields in terms of transmission efficiency.
Not only that, most composite pipes are better than other pipes in terms of hygiene standards. It will not accumulate dirt because of prolonged use, and it will not breed microorganisms, thus ensuring the original nature of the fluid. It should be noted that such pipes have excellent insulation properties and can be used in many special environments to protect many electrical wiring devices and other items. This will help us reduce the chance of leakage.
And for this kind of pipe, the inner wall is smooth and smooth, so that the overall construction accuracy is more smooth and concise. This kind of composite pipe can not only improve the overall construction accuracy, but also ensure the final construction effect.
Classification of composite steel pipes
1, aluminum plastic composite pipe. The aluminum-plastic composite pipe is a five-layer pipe with a middle layer of welded aluminum alloy, a layer of polyethylene inside and outside, and a glue layer, and has the advantages of good corrosion resistance of the polyethylene plastic pipe and high pressure resistance of the metal pipe. Aluminum-plastic composite pipes are divided into two types according to different polyethylene materials: cross-linked polyethylene aluminum-plastic composite pipes suitable for hot water and high-density polyethylene aluminum-plastic composite pipes suitable for cold water. Aluminum-plastic composite pipe specifications Φ14 ~ Φ32, the use of clamping copper fittings, mainly for the construction of water distribution pipes and water heaters, the price is more expensive.
2, steel-plastic composite pipe. Steel-plastic composite pipe is made of UPVC plastic with a certain thickness inside the galvanized pipe, so it also has the advantages of steel pipe and plastic pipe. The pipe specification is Φ15-Φ150. The copper fittings are screwed together, and the water temperature is below 50°C. They are mostly used as building water supply and cold water pipes, which are more expensive.
3, steel skeleton PE pipe. The steel skeleton PE pipe adopts high-quality low-carbon steel wire as the reinforcing phase and high-density polyethylene as the base body. The new double-sided anti-corrosion pressure is continuously formed by continuous film drawing on the production line by simultaneously performing wire spot welding and plastic extrusion and filling. pipeline. The pipe diameter is Φ50～Φ500, and the flange is connected. It is mainly used in municipal, chemical and oil field pipe networks, and the price is relatively expensive.
4, plastic steel pipe. The plastic-coated steel tube is a layer of polyethylene (PE) resin, ethylene-acrylic acid copolymer (EAA), epoxy (EP) powder, nontoxic polypropylene (PP), or a layer with a thickness of 0.5-1.0 mm. The steel-plastic composite pipe composed of poisonous polyvinyl chloride (PVC) and other organic substances not only has the advantages of high strength, easy connection, and resistance to water flow, but also overcomes the corrosion, pollution, scaling and plasticity of the steel pipe when exposed to water. The disadvantages of low pipe strength, poor fire performance, etc., design life of up to 50 years.
Editor's summary: What is the composite steel pipe and the classification of the composite steel pipe are introduced here, I hope to be helpful to everyone. If you want to know more related information, you can pay attention to this website information.
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