This is the second φ1020 hot expansion machine unit ordered  by Baotou Steel Tube Group after 720 machine units from my factory.  The first φ1020 machine units has been completed delivery in January 2020, the second one has been completed successfully, and will be shipped soon.

By the core technology of the patent-steel tube OD hot expansion, the requirements of different kinds of diameters of pipes，the large diameter pipes and kinds of non-standard steel pipes with different diameters are satisfied, especially for the production of small batch steel pipe with various specifications.

The Maxi diameter of expanded finished tube: 820mm