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Specifications

Chrome casting grinding steel ball

Casting ball

MECHANICAL PROPERTIES

Items	Surface hardness(HRC)		Endurance impact test (Times)
Items	Quenched	Unquenched	Endurance impact test (Times)
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

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

Package: By steel drum(800-900kg per drum) or flexible container bag(1000kg per bag)

Product performance:

1)No deforamtion

2)No breakage

3)Lower wear rate longer lasting chromium

4)Uniformity of hardness from surface to core.

Application fields:

1)industries of cement building material

2)metallurgical selection in mine

3)grinding coal in power plant

4)chemical industry

5)machinery

The process line production:

Raw materials-Scientific proportioning-Electric furnace smelting-Assay befofe furnace-Mould forming-Polishing-Heat treatment-Packing-Transportation&Sea freight

Jinan Jinchi Construction Materials Company Limited is looking forward to cooperating with clients all over the world