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What is a heat induction mandrel
What is a heat induction mandrel
1.In this very efficient manufacturing method, a pipe is pushed over a die called “mandrel”, then expanded and bent to desired dimensions.
2.In this process, heat is transferred to a pipe by applying an electric current (known as “induction”) around the steel pipe and gas flames under the neck (intrados) to minimize material thinning on this region and to make forming operation easier. Mandrels are used to make elbows from ½ inch to 72 inch diameters.