Product Details

Specifications

High chrome grinding media cast ball for ball mill DIa17mm-Dia150mm
ISO9001:2008
Good wear resisting
High impact value

Ball Mill High Chrome Grinding Cast Ball for Dry Grinding

Casting balls product performance:

NO deforamtion, No breakage, Lower wear rate longee lasting chromium .

Uniformity of hardness from surface to core.

Mechanical Properties:

Items	Suface hardness(HRC)		Endurance impact test
Items	Quenched	Unquenched	(Times)
High chrome Casting grinding balls	≥60	≥50	≥8000
Middle chrome Casting grinding balls	≥60	≥50	≥8000
Low chrome Casting grinding balls	≥60	≥45	≥8000

Sizes of Casting Balls

Item

SIZES

φ17

φ20

φ25

φ30

φ40

φ50

φ60

φ70

φ80

φ90

φ100

φ110

φ120

φ130

Tolerance

+1.0

+2.0

+3.0

+3.5

-1.0

-1.5

Difference between

max diam and min diam

≤1.0

≤2.0

≤3.0

Casting grinding balls chemical composition

Items	Brand	Chemical elements
Items	Brand	C	Si	Mn	Cr	Mo	Cu	Ni	P	S
High chrome casting iron ball	JCCr20	2.0-3.0	≤1.0	0.5-1.5	18-22	0-2.5	0-1.2	0-1.5	≤0.10	≤0.10
High chrome casting grinding ball	JCCr15	2.0-3.0	≤1.0	0.5-1.5	14-17	0-3.0	0-1.0	0-1.5	≤0.10	≤0.10
High chrome casting grinding ball	JCCr13	2.0-3.0	≤1.0	0.5-1.5	11~14	0-1.0	0-2.0	0-1.5	≤0.10	≤0.10
Middle chrome casting grinding ball	JCCr7	2.1-3.2	0.5-2.2	0.5-1.5	6~10	0-1.0	0-0.8	0-1.5	≤0.10	≤0.10
Low chrome casting grinding ball	JCCr2	2.2-3.6	≤1.2	0.5-1.5	1.0-3.0	0-1.0	0-0.8		≤0.10	≤0.