Product Details

2015 high quality gold mine ball mill grinding ball

Product Description

Specifications

1.Dia:20mm-150mm
2.Material:60Mn 65Mn #45 B2
3.HRC:60-65
4.Factory Audit and SGS

Chemical Composition
Item No.	Chemical Composition
Item No.	C	Si	Mn	Cr	P	S
Low Chromium	2.3-3.4	≤1.5	0.5-1.5	1.0-2.0	≤0.1	≤0.1
Medium Chromium	2.2-2.8	0.5-1.0	0.5-0.8	10.0-12.0	≤0.1	≤0.1
High Chromium	2.4-3.2	0.5-0.8	0.5-0.8	16.0-18.0	≤0.1	≤0.1

Weight and Hardness of RN Forged Steel Ball
Norminal Diameter	Diametrical Tolerance(mm)	Average Weight(G)	Average pieces per ton(PS)	surface hardness	Impact toughness
20-0.8”	+2 / -1	32	31250	55-67	>12
25-1.0”		64	15625
30-1.2”		110	9090
40-1.6”		263	3802
50-2.0”		513	1949
60-2.4”	+3 / -2	888	1126
70-2.8”		1410	709
80-3.2”		2104	475
90-3.6”		2996	333
100-4.0”		4110	243
110-4.4”	+4 /-2	5457	182
120-4.8”		7102	140
130-5.2”		9030	110
140-5.6”	+4 /-3	11278	88
150-6.0”	+4 /-3	13871	72

2015 high quality gold mine ball mill grinding ball

advantage

High impact value

Good wear-resistance

Low broken rate

Various size

2015 high quality gold mine ball mill grinding ball

Material

60Mn 65Mn #45 B2 steel

Material Chemical Elements
Item 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
45#	0.42-0.50	0.17-0.37	0.5-0.8			< 0.2
B2	0.50-.080	0.17-.037	0.60-0.80	<0.035	<0.035	0.90-1.1
65Mn	0.62-0.70	0.17-0.37	0.9-1.2	≤0.035	≤0.035	≤0.25

Payment Terms

T/T L/C

Packaging & Shipping

Packing Details

1.Container Bag: Dia20-150mm 1000kg/bag GW 1002kg

2.Steel durms: Dia20-80mm 900kg/drum GW915kg

Dia90-150mm 850kg/drum GW865kg

Our Services

1.Professional Grinding balls manufactory with more than 10 years ;

2.Progressive production line;

3.Exported more than 20 countries;

4.Professional technician , experienced salesman and skilled workers

5.Capacity:10000mt/month.

Company Information

Zhangqiu Ruinian Casting And Forging Co., Ltd. is professional forged and casting steel balls manufacturer .Our products are exported to South America, Australia,

South Africa, Finland, Russia, Japan, South Korea and other countries, production in strict accordance with the ISO9001 international quality system standard

and with SGS test report.

Nicole Yang

Address:Wu jia Industrial Zone,Guanzhuang Town,Zhangqiu,Shandong,China

Tel:86-531-83809583

Skype:nicoleyang10