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Difference between bends and elbows

Bends and elbows are all pipeline products.Widely used in Gas,oil,waterline industries.
Bends and elbows are pipe connectors for corners.Due to different angle in pipeline corner requirement,should choose bends or elbows.

Bends are defined as big radius,normally it is above than 2D,2D bends can make by elbow forming machine with mandrel pushing, but radius are bigger than 2D,i.e 3D-10D,should make byinduction bending machine.

Elbows are defined as small radius,normally it is 1D or 1.5D. Butt welded elbows can be formed by mandrel pushing hot forming machine or cold forming machine.

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