← Glossary

Rotational Induction Pipe Welding

Rotary induction pipe welding heats the pipe cross-section through inductive ring fields during rotation to ensure a homogeneous force fit.

Physico-chemical mechanism of action

Inductive fields generate electrical currents in the metal, which heat it. The rotation of the pipe ensures uniform preheating and prevents porosity.

Metallurgical relevance & welding risks

Uneven heat buildup can lead to stress formation, causing cracks. Too high a speed can overstress the material and lead to deformation.

Shop practice & instructions

Use a speed of 10-20 rpm for optimal results. Make sure the inductors are well matched to the pipe cross-section. The heat treatment should last at least 5 minutes.

MetallurgieSchweißtechnik

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