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Types of Steel-Plastic Pipe Products
Plastic coating compound
Plastic-coated composite steel pipe is a kind of green environmental protection pipe with welded steel pipe and seamless steel pipe as the base material, epoxy resin or polyethylene powder coated on the inner and outer walls. It is anticorrosive, corrosion-resistant, non-toxic and radiation-free. It is applied to various fluid transportation. The base pipe should meet the requirements of GB/T3091-2008, the seamless base pipe should meet the requirements of GB/T8163-2008, and the spiral submerged arc welded base pipe should meet the requirements of SY/T5037-2000.
The product has the following advantages.
The steel and strength of traditional metal pipes are retained, and steel-plastic pipes are far superior to plastic pipes and aluminium-plastic pipes.
Fire exterior and exterior plastic-coated pipe
Fire exterior and exterior plastic-coated pipe
coating plastic steel pipe
coating plastic steel pipe
2. It has the characteristics of smooth inner wall, small friction resistance and no scaling, and the outer wall is more beautiful and luxurious. 3. It has light weight, good toughness, impact resistance and high compressive strength. It has a wider application temperature ranging from - 30 C to 100 C.
4. Connecting with the fittings can adopt twisted wire, socket, flange, groove, welding and so on, which saves labor and labor in many ways.
5. The difference of thermal expansion coefficient between the connecting part and the fittings is small, which is safer and more reliable.
6. The price performance ratio is reasonable, the comprehensive cost is low, and it is more economical than copper and stainless steel pipes. Mesh steel strip
The steel strip in the middle is punched with many holes, which makes the inner and outer PE organic integration, thus solving the composite problem of steel and plastics, but
The oxygen resistance of steel-plastic pipes is sacrificed, and the compressive strength of this type of steel-plastic pipes is greatly reduced due to the existence of holes in the steel strip. Under high pressure working conditions, local bursting of pipes is easy to occur.
