The liners are the rock crushing application in mining industries(แผ่นบดอัดในอุตสาหกรรมเหมืองแร่),
as shown in Fig.1. The product was gray cast iron with carbon of 3.5wt% and was formed by casting
process The graphite flake and pearlite phases were obtained in the microstructures after forming. If you
want to improve the mechanical properties of the product by heat treatment process, do the following;