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Contact: Michael Wang kimy.lee
Company: Suizhou Gaincin Machinery Co.,Ltd
No.1704,Economical and Technical Development Zone, Suzhou, Hubei, P.R.China
Suizhou/Hubei 441300
China
Phone: +86 0722 3588806 8002
Fax: +86 0722 3588806
E-Mail: Send Inquiry
Date/Time:  8/14/19 6:57 GMT
 

grinding rolled steel balls, dia.25mm to 120mm forged steel mill balls

Forged Grinding Ball - Suizhou Gaincin Machinery Co.,Ltd(GAINCIN.com &
showroom:
gaincin.bossgoo.com)
According to the present situation of 9.75 4.88m SAG mill, grid plate hole
60mm,
and we recommended your company changed ball diameter from the original 120 to
125, filling rate from 9-10% to 11-12%, so that it is more effectively to
increase
the grinding quality and processing ore.

Base on the high quality raw material, the advanced automated equipment, the
heat
processing and the strict quality control system, we can improve the surface
hardness of grinding ball up to 58-65HRC and impact toughness of grinding balls
is
over 12J/cm².

Features of forged grinding ball

1) High hardness: surface hardness of forged grinding balls is to HRC 58-65.
The
tolerance of the core hardness and surface hardness is not over 2HRC;

2) Good Impact Toughness: impact toughness of forged grinding balls is over
12J/cm²;

3) Low Broken Rate: the actual broken rate is not higher than 1%.

Physical Property
Products
Surface hardness (HRC)
Core hardness (HRC)
Impact value Ak(J/cm²)
Times of falling balls
60Mn Forged grinding ball
58-65
≥45
≥12
≥10000
B2 Forged grinding ball
60-65
≥55
B3 Forged grinding ball
60-65
≥55
B4 Forged grinding ball
60-65
≥58
Name
Chemical Composition(%)
C
Si
Mn
Cr
P
S

60Mn Forged grinding ball
0.52-0.65
0.15-0.37
0.60-1.20
0.2 , 5-0.30
0.02
0.02
B2 Forged grinding ball
0.77-0.81
0.26-0.34
0.72-0.80
0.3 , 2-0.40
0.02
0.015
B3 Forged grinding ball
0.61-0.65
1.75-1.85
0.73-0.80
0.8 , 0-0.88
0.02
0.015
B4 Forged grinding ball
0.68-0.72
1.25-1.35
0.55-0.65
0.8 , 5-0.95
0.015
0.015
B6 Forged grinding ball
0.79-0.82
0.15-0.35
0.92-1.02
0.8 , 8-0.98
0.015
0.015

Suizhou Gaincin Machinery Co., Ltd
Address: no.1704,economic and technical
development zone,Suizhou,P.R.China
E-mail:Info@gaincin.com Kimy.Lee@gaincin.com
Candy.Wu@gaincin.com
Tel: 86-722-358 8806
Fax: 86-722-358 8806 x 8002
Website: www.gaincin.com
Showroom:gaincin.bossgoo.com

Minimum Order: 10 tons

grinding rolled steel balls, dia.25mm to 120mm forged steel mill balls
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