Carbon steel ball
MECHANICAL PROPERTIES
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Items
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Surface hardness(HRC)
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Endurance impact test
(Times)
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Quenched
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Unquenched
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High chrome Casting grinding balls
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≥60
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≥50
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≥8000
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Middle chrome Casting grinding balls
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--
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≥50
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Low chrome Casting grinding balls
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--
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≥45
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Forged steel ball
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55-65HRC
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SIZES OF CASTING BALLS
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Items
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SIZES
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φ17
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φ20
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φ25
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φ30
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φ40
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φ50
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φ60
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φ70
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φ80
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φ90
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φ100
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φ110
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φ120
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φ130
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Tolerance
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+1.0
-1.0
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+2.0
-1.0
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+3.0
-1.0
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+3.5
-1.5
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Difference between
max diam and min diam
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≤1.0
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≤2.0
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≤3.0
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≤4.0
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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