Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

Loading Port:Qingdao Port

Payment Terms:TT or LC

Min Order Qty:25M.T. m.t.

Supply Capability:200000M.T./Year m.t./month

1. Chemical Composition of Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

Items	Brand	Chemical elements
Items	Brand	C	Si	Mn	Cr	Mo	Cu	Ni	P	S
High chrome casting iron ball	Cr20	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	Cr15	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	Cr13	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	Cr7	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	Cr2	2.2-3.6	≤1.2	0.5-1.5	1.0-3.0	0-1.0	0-0.8		≤0.10	≤0.10

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

2. Sizes of Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

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	-1.0	-1.0	-1.5
Difference between max diam and min diam	≤1.0	≤2.0	≤3.0

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

3.Applied Field of Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

1) Metal mining in mines,2) power stations,3) Chemical engineering

4.Packing Information of Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

Steel drum (800-900kg per drum)

flexible container bag (1000kg per bag)

5. Photos of Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality

Copper Mine uesd High Chromium Cast Alloyed Grinding Ball with Top Reputation and Good Quality