... .Tube&pipe, ect. The main applications are as following. A: parts surface heating treatment, parts surface hardening, ... resin forming,shrinkage fitting & Extraction ect.Heat treating services including HSS Heat Treatment, Induction Hardening, Hardening and Tempering, ... Refining, Spherodizing, Annealing, Normalizing, Stress Relieving, etc. Heat treatment is used to fabricate tool parts, jigs & fixtures, ...