1、Hardness：≥HRC56；
2、Hardness difference from surface to center is less than HRc3.
3、Density：7.3~7.5g/mm2；
4、Strength of extension：25~40kg/mm2。
5、Breakpoint:25~40kg/mm2
6、This series of products meet international standards：AS 2027-2002/Nickel Hard 4；
7、Castings without hard points, without air hole, no loose, no crack, no defects.
8、After blasting,the surface of the liner is smooth level off, with no defects to affect using.
9、With dry grinding process,liners can have a better wear resistance, better reliability and good cost effectiveness.