how to make a round pipe oval？

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TIANJIN YUANTAI DERUN STEEL PIPE MANUFACTURING GROUP CO., LTD.

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There are usually many manufacturing methods for elliptical tubes, and there are four common manufacturing processes for elliptical tubes. They are respectively casting process, bending process, forging process, and welding process.

Converting a round steel tube into an oval steel tube can be achieved by cold forming or hot forming. Cold forming includes roll forming and hydraulic forming, while hot forming is bending under heating conditions. In addition, the cross-sectional shape can also be changed by local extrusion or stretching.

Common implementation methods: 1. Roll forming 2. Hydroforming 3. Hot forming 4. Local extrusion or stretching

Casting Process

Pour the molten metal into the mold, cool and solidify to form an elliptical pipe.

Bending Process

Transform the original circular steel pipe into an elliptical steel pipe through bending processing.

Forging Process

Heat the metal to a high temperature state, and then perform forging plastic deformation through a mold to form the desired elliptical pipe fittings.

Welding Process

Make elliptical pipe fittings by melting and welding metal or steel plates.