The heat treatment of rivets with external lock core can be divided into four ways: lead quenching, normalizing, spheroidal annealing and solid solution treatment.After heat treatment, more than one drawing is required, and the delivery condition is light or cold drawing.Through different ways of heat treatment and the control of the total compression ratio of the external lock core pulling rivet, to meet the technical requirements of different products.
Post time: Jan-14-2021