Thermal expansion tube

The two-step push pipe expander used in the hot expansion of steel pipes integrates taper die expansion technology, digital intermediate frequency induction heating technology, and hydraulic technology in one machine. With its reasonable technology, low energy consumption, low construction investment, and good The high product quality, wide range of raw materials and product specification applicability, flexible and variable low-input production batch adaptability, replace the traditional pull-and-draw expansion technology of the steel pipe industry.