low chrome casting steel ball

low chrome casting steel ball 1.even hardness 2.good wear resistance 3.no breakable

1.Chemical elements of casting balls

Items	Surface hardness(HRC)		Endurance impact test (Times)
	Quenched	Unquenched
High chrome Casting grinding balls	≥60	≥50	≥8000
Middle chrome Casting grinding balls		≥50
Low chrome Casting grinding balls		≥45
Forged steel ball	55-65HRC

2.SIZES OF CASTING BALLS

Items

SIZES

φ17

φ20

φ25

φ30

φ40

φ50

φ60

φ70

φ80

φ90

φ100

φ110

φ120

φ130

Tolerance

+1.0 -1.0

+2.0 -1.0

+3.0 -1.0

+3.5 -1.5

Difference between max diam and min diam

≤1.0

≤2.0

≤3.0

≤4.0

 

3.Product performance:

1)No deforamtion

2)No breakage

3)Lower wear rate longer lasting chromium

4)Uniformity of hardness from surface to core.

 

4.Application fields:

1)industries of cement building material

2)metallurgical selection in mine

3)grinding coal in power plant

4)chemical industry

5)machinery

 

Jinan  zhongwei casting and forging grinding ball Company Limited is looking forward to cooperating with clients all over the world

5.Processing line

 

low chrome casting steel ball