1.has passed ISO9001:2008 2.high combined efficiency of grinding mill 3.high impact value 4.no breakage 5.high hardness

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As one of the leading grinding balls specialists in China, we Jinan Zhongwei can certainly assist you in buying grinding balls that suit you company's paticular needs.

 ISO9001:2008 Medium Chrome Grinding Steel Ball are widely used in ball mill .

Applied Fields

1. Mines

2. Cement Plants

3. Chemical Industries

4. Power Stations 

 

 

1.chemical composition of medium chrome grinding steel ball

material	Mn	Si	Cr	S	P	C
medium chrome	0.5-1.5	1.2max	5-10	≤0.06	≤0.08	2.1-3.2

2.phycical properity of medium chrome grinding steel ball

material	name	impact time(Ak.J/cm2)	endurance test(5m/time)	hardness (HRC)	breakage
medium chrome	zw-11	≥3	≥8000	≥48	<1%

3.characters:even hardness,high hardness,unbreakable,high impact value,high combined efficiency of grinding mill,etc.

4.application fields:metal mine,power station,cement plant,chemical industries and machinery,etc.

5.packing term:container bags or steel drums

6.delivery terms:according to the contract

7.payment terms:L/C,T/T.

1> Forged Grinding Ball 

 

Material	C	Mn	Si	Cr	S	P
50Mn	0.48-0.56	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
60Mn	0.57-0.65	0.70-1.0	0.17-0.37	≤0.25	≤0.035	≤0.035
65Mn	0.60-0.70	0.90-1.2	0.17-0.37	≤0.25	≤0.035	≤0.035
B2	0.70-0.85	0.70-0.80	0.17-0.37	0.2-0.7	≤0.03	≤0.03
75SiMn	0.70-0.90	0.70-1.20	0.4-0.8	≤0.25	≤0.03	≤0.03
Wear-resistant Alloy	0.50-0.65	0.4-1.0	1.4-1.8	0.9-1.2	≤0.03	≤0.03

 

2> Cast Grinding Ball

 

Material	C	Si	Cr	Mn	S	P
Cr-22-32%	2.0-2.8	≤1.0	22-32	0.5-2.0	≤0.06	≤0.08
Cr-17-22%	2.0-2.8	≤1.0	17-22	0.5-2.0	≤0.06	≤0.08
Cr-15-17%	2.2-3.0	≤1.0	15-17	0.5-2.0	≤0.06	≤0.08
Cr-11-14%	2.2-3.2	≤1.0	11-14	0.5-2.5	≤0.06	≤0.08
Cr-5-10%	2.1-3.2	≤1.2	5-10	0.5-1.5	≤0.06	≤0.08
Cr-1.5-3.%	2.2-3.5	≤1.2	1.5-3.0	0.5-1.5	≤0.06	≤0.08

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ISO9001:2008 Medium Chrome Grinding Steel Ball