Thermal expansion carbon steel pipe
Keywords: thermal expansion carbon steel pipe
What is heat-expanded steel pipe?
Thermal expansion is a processing method of steel pipes, which is to process small-diameter steel pipes into large-diameter steel pipes. The mechanical properties of thermally expanded carbon steel pipe are slightly worse than that of hot rolled carbon steel pipe.
Due to the limited specifications of seamless steel pipes in steel mills, thermally expanded steel pipes were born according to the needs of end consumers. The specifications and models of thermally expanded steel pipes are relatively random, and are generally made according to the needs of customers. The heat-expanded pipe, the steel pipe with low density but strong shrinkage, (seamless steel pipe) can be referred to as the heat-expanded pipe.
The thermal expansion carbon steel pipe is a steel pipe produced by expanding the diameter of a waste pipe, which is a waste pipe finishing process - the thermal expansion process. The heat-expandable steel pipes usually mentioned are heat-expanded seamless steel pipes. There are many classification methods of heat-expanded steel pipes, which can be divided into heat-expanded steel pipes for high-temperature equipment, heat-expanded steel pipes for low-temperature use, heat-expanded steel pipes for pressure facilities, pipeline heat-expanded steel pipes, gas cylinder heat-expanded steel pipes, and structural heat-expanded steel pipes. , Heat-expanded steel pipe for fluid transportation and mechanical roller heat-expanded steel pipe, etc., according to the steel pipe material, can be divided into carbon steel heat-expanded pipe, low-alloy heat-expanded pipe, high-alloy heat-expanded pipe, stainless steel heat-expanded pipe and titanium alloy Steel thermal expansion pipe, etc.; according to the thermal expansion process, it can be divided into cross-rolled thermal expansion pipe, drawn thermal expansion pipe, push-type thermal expansion pipe, etc. Heat-expanded steel pipes have a wide range of uses and strong adaptability. In addition to being widely used in oil, water vapor and medium and low pressure flammable or non-flammable fluid pipelines in the oil, gas and chemical industries, they are also used in high and low temperature pressure vessels and other power industries. It is used in pipes and pipes for urban construction and other structures.
The two-step propulsion expansion machine used for thermally expanded carbon steel pipe integrates cone die expansion technology, digital intermediate frequency induction heating technology, and hydraulic technology in one machine. With its reasonable process, low energy consumption, low construction investment, good product quality, wide range of raw material and product specification applicability, flexibility and low input production batch adaptability, replace the traditional pull-type expansion technology in the steel pipe industry.
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