Tube end expanding/expansion/transition

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The tube end outer diameter is increased/stretched. Expanding tube ends is important when connecting tube ends to other parts or assemblies. The expansion is related to the thickness and diameter of the pipe. The wall will get thinner after the end expansion. Generally, the outside diameter could increase 30-40%, but other results can be achieved if there are special requirements. At the end forming process, different materials will have different reactions.

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