Tom qab quenching thiab tempering, tus pin undergoes nruab nrab zaus induction hardening, xyuas kom meej txaus lub zog ntawm lub hauv paus thiab hnav tsis kam ntawm qhov chaw sab nraud.
Tom qab carburization, lub pin bush raug sab hauv thiab sab nraud nruab nrab zaus induction hardening, kom ntseeg tau tias lub hauv paus hardness tsim nyog thiab hnav tsis kam ntawm sab hauv thiab sab nraud nto.
