Steel-plastic composite pipe structure and properties of steel-plastic composite pipe price
The products are based on seamless steel tubes and welded steel tubes. The inner wall is coated with high-viscosity, anti-corrosion, food-grade sanitary polyethylene powder coatings or epoxy resin coatings. The pre-treatment, preheating, internal coating, leveling, and post-treatment processes for the galvanized inner plastic-coated composite steel pipe are upgraded products of the traditional galvanized pipe. The steel-plastic composite pipe is generally threaded. The following will introduce the structure and properties of the steel-plastic composite pipe and the price of the steel-plastic composite pipe.
Structure and properties of steel-plastic composite pipe
First, the structure
A new type of composite pipe and pipe, many places referred to as steel pipe. Steel is a kind of iron material. Plastic refers to plastic. The plastic in steel-plastic composite pipe is generally high-density polyethylene (HDPE).
There are many classifications of steel-plastic composite pipes, which can be classified into steel-reinforced steel-plastic composite pipes, seamless steel pipe-reinforced steel-plastic composite pipes, hole mesh steel-steel-plastic composite pipes, and steel wire mesh steel-plastic composite pipe according to the structure of the pipe. At present, the steel belt reinforced steel-plastic composite pipe is the most popular on the market, which is what we often refer to as the steel-plastic composite pressure pipe. The intermediate layer of this pipe is a steel belt layer formed by butt-welding a high-carbon steel band through curl forming. Both inner and outer layers are high-density polyethylene (HDPE).
Second, nature
Steel strip reinforced steel-plastic composite pipe production process is more complicated. The steel belt is different from the aluminum belt in that it has almost no flexibility. Therefore, the molding process of the steel belt is very demanding. Secondly, steel strips are usually thicker than aluminum strips and cannot be welded using lap welding processes. Only butt welding processes with high precision are required. In the end, even if the steel strip is processed into a fully qualified steel pipe, what kind of process can be used to perfectly combine the steel strip and the PE, and it becomes another difficult problem in the manufacture of the steel-plastic composite pipe. After many years of research and development experiments, Changzhou Tengda Pipe Industry Co., Ltd. in 2000 overcame all kinds of scientific difficulties, making the production process of steel-plastic composite pipes popular. The Ministry of Construction in 2003 introduced CJ/T183-2003 "steel-plastic composite pressure. Management Standards (revised to CJ/T183-2008 standard again in 2008).
Although the steel-reinforced steel-plastic composite pipe has unparalleled advantages over other pipes, the complexity of its production process and the demand for high-precision technology have made many pipe manufacturers discouraged. Therefore, there will be seamless steel pipe reinforced steel and plastic. Composite pipe, hole steel mesh steel-plastic composite pipe and wire mesh skeleton steel-plastic composite pipe these types of pipe appeared.
Steel-plastic composite pipe price
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