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What is Hydraulic Expansion vs. Mechanical Rolling about?

Hydraulic expansion, or hydro-expanding, is a method of expanding tubes into tubesheets that is different from mechanical rolling methods. Hydro-expanding stretches tubes radially in a precisely repeatable way without axial extrusion or surface effects. It allows for expansion into grooved holes with additional tightness and reduces the risk of stress corrosion or crevice corrosion compared to mechanical rolling. Hydro-expanding can also expand tubes into any thickness of tubesheet in one pass compared to t

Author

Nath Boyapati

Language

EN