Forged Grinding Steel Balls for Mining

Forged Grinding steel Balls with iron mine:
Specification:
1) No deformation
2) High hardness Good wear resistant
3) Size:Dia20mm-150mm
4) Breakage<1%
5) Certification: ISO9001,SGS.

Grinding ball details
a. Grinding steel ball material:
The high quality round steel.
b. Grinding steel ball application :
1) CEMENTPLANTS,
2) Metal mining in mines
3) power stations
4) Chemical engineering
c.Package:
Steel drum (800-900kg per drum) or flexible container bag (1000kg per bag)



d.Chemcial Elements and Hardness

Material	Chemical elements						Hardness
	C	Si	Mn	S	P	Cr	HRC
Special Cr1	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>20	58-64
Special Cr2	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.08	>15	58-64
High Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	>10	58-62
Medium Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.08	≥5	45-48
Low Cr	2.2-3.4	≤1.2	0.5-1.5	≤0.06	≤0.08	1.0-1.5	42-46

Physical Property & Microstructure
Name	HRC	Ak(J/cm 2 )	Microstructure	Times of Falling Balls
Low Cr Balls	≥45	≥2.5	P+C	≥10000
Medium Cr Balls	≥48	≥3.0	P+C	≤Φ80	≥15000
				≥Φ80	≥10000
High Cr Balls	≥58	≥4	M+C+A	≤Φ80	≥15000
				≥Φ80	≥10000
M-Martensite P-Pearliet C-Carbide A-Austenite

Size(mm)	Weight(kg/pc)	Quantity(pc/t)		Size(mm)	Weight(kg/pc)	Quantity(pc/t)
Φ30	0.11	9091		Φ90	2.90	345
Φ40	0.25	3891		Φ100	4.00	250
Φ50	0.50	2000		Φ110	5.30	188
Φ60	0.86	1153		Φ120	6.80	147
Φ70	1.37	729		Φ130	7.70	129
Φ80	2.05	487		Φ140	8.74	114

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Because we know that good service and products cost effective is the most important magic weapon of maintaince of the old customer.

Because we know that to look for a new customer is far difficult than maintaince old customer.

With a cooperation win all life cooperation.


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Our serious promise: supplying you with high quality products, competitive prices, timely delivery, and satisfactory service. We are always insisting on the theory of "Credit Goal, Client First, and Mutual Profits". Let's build a better future.