Ball mill grinding balls for mines for power plant:

 

 

Chemical elements:

Name	C	Si	Mn	P	S	Cr
60Mn	0.57-0.65	0.17-0.37	0.7-1.0	<0.035	<0.035	<0.25
65Mn	0.62-0.70	0.17-0.37	0.9-1.2	≤0.035	≤0.035	≤0.25
45#	0.42-0.50	0.17-0.37	0.5-0.8	-	-	< 0.2
B2	0.72-0.92	017-0.37	0.7-1.2	≤0.04	≤0.04	0.4-0.6
42Cr	0.38-0.45	0.17-0.37	0.5-0.8	≤0.035	≤0.035	09-1.2

Mechanical Properties:

Spec.	Impact Test AK.J/CM2	Endurance Test Times (5m)	Dia 25mm-60mm		Dia 70mm-100mm
			Surface	Core	Surface	Core
42Cr	≥12	≥12000	≥55	≥48	≥52	≥45
50Mn	≥12	≥12000	≥56	≥50	≥55	≥50
60MN	≥13	≥12000	≥58	≥52	≥58	≥50
65MN	≥15	≥12000	≥62	≥54	≥58	≥52

 

Specification and Hardness of Forged Grinding Ball:

Nominal diameter (mm-inches)	Diameteical tolerance (mm)	Weight of Single of forging ball in average	Number of piece of One ton forging ball in average	Surface hardness	Impact toughness
20-0.8” 25-1.0” 30-1.2” 40-1.6” 50-2.0”	+2 -1	32 64 110 263 513	31250 15625 9090 3802 1949	55-67	>12
60-2.4” 70-2.8” 80-3.2” 90-3.6” 100-4.0”	+3 -2	888 1410 2104 2996 4110	1126 709 475 333 243
110-4.4” 120-4.8” 130-5.2”	+4 -2	5457 7102 9030	182 140 110
140-5.6” 150-6.0”	+4 -3	11278 13871	88 72

 

 

 

1.Sizes:DIA20-150mm

2.Hardness: HRC55-67

3.Breakage rate: <1%

4.Chemical elements:C . Si . Mn . P . S . Cr

5.Impact toughness: >12J/CM2

6.Endurance impact test: >12000

7.Delivery Detail: (7-45) days according to your quantity

8.Low price:Near the Laiwu steel CO group.,ltd( low material costs ) and Qingdao port(low transport costs ).

 

Characteristics:

High Hardness     Good Wear Resistance     No Breakage     Even Wearing

 

Applide field:

Mines     Cement Plants     Power Stations     Chemical Industries

Packages of forged steel balls:

(1)1000KG BAGS

(2)STEEL DRUMS(850-900KGS/DRUM)

 

Certificate: ISO 9001:2008,ISO14001                                        

 

Our Services

1.Free sample for your test before orders;

2.Soonest delivery time ;

3.Cooperate with many famours shipping companies,and sent the goods to your port in time;

4.Any feedback after sales would get our soonest reply

Company Information

1.One of the largest manufacturers and exporters for forged steel ball products in China

2.The high qualityof the products,Output:10000tons/mouth

3.Advanced production equipment and technology, The best credit guarantee

4.The mostoutstanding R & D team. Experienced development personnel,professional designers,salesman and skilled workers