The induction heating equipment weld annealing application is also gradually broadening, welds annealing techniques for one of the deep processing of large diameter steel pipes have become more common attention. High-strength thin-walled steel tubes can be produced by using weld annealing.

When the induction heating method is used in the induction heating method, the steel pipe weld is actually inductive, because the steel pipe weld is heated in the air, and the purpose of the goods is to refine the grain of the weld portion, eliminate the resulting due to segregation. Hard point (low carbite).