Cast Steel Grinding Media Balls

We are successfully established manufacturer, trader, supplier and exporter of a range of Cast Steel Grinding Media Balls in Jinan, Shandong, China. It is available with following details.

1.Mechanical Properties
Items Brand Surface hardness (HRC) Endurance impact test(Times)

Quenched Unquenched
Extra high chrome casting alloyed ball ZQCr20 a Y63 a Y45 a Y8000
High chrome casting alloyed ball ZQCr15 a Y63 a Y45 a Y8000
High chrome casting alloyed ball ZQCr13 a Y63 a Y49 a Y8000
Middle chrome casting alloyed ball ZQCr7 a a Y48 a Y8000
Low chrome casting alloyed ball ZQCr2 a a Y45 a Y8000

2.Size of Casting Balls
Items SIZES
Ac17 Ac20 Ac25 Ac30 Ac40 Ac50 Ac60 Ac70 Ac80 Ac90 Ac100 Ac110 Ac120 Ac130
Tolerance +1.0
-1.0 +2.0
-1.0 +3.0
-1.0 +3.5
-1.5
Difference between max diameter and min diameter a 1.0 a 2.0 a 3.0 a 4.0