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Process of expanding and forming stainless steel reducer

by:Mayer     2021-08-16
In the process of reducing or expanding the deformation of the stainless steel reducer, cold pressing or hot pressing is determined according to different materials and diameter changes. Under normal circumstances, cold pressing should be used as much as possible, but hot pressing should be used for severe work hardening caused by multiple diameter changes, thicker walls or alloy steel materials. The expanded diameter forming stainless steel reducer adopts a tube blank that is smaller than the diameter of the large end of the reducer, and uses an inner die to expand the diameter along the inner diameter of the tube blank. Diameter expansion technology mainly solves the problem that the diameter reducing pipe is not easy to be formed by reducing diameter. Sometimes according to the material and product forming needs, the method of expanding diameter and reducing diameter is combined and used.
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