60mm Forged Grinding Ball for Iron Ore Mine

60mm Forged Grinding Ball for Iron Ore Mine

60mm Forged Grinding Ball For Iron Ore Mine Introduction “Dongbang” brand 60mm forged grinding ball for iron ore mine, your best choice for iron ore mine mineral processing. The higher and even hardness grinding balls can save your ball consumption around 20%. D etails quality performance of...
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60mm Forged Grinding Ball For Iron Ore Mine Introduction
“Dongbang” brand 60mm forged grinding ball for iron ore mine, your best choice for iron ore mine mineral processing. The higher and even hardness grinding balls can save your ball consumption around 20%.
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Details quality performance of 60mm Forged Grinding Ball For Iron Ore Mine:

                                                                                  Steel Rod Type: B2, Chemical Comments
                                                                                     (Forged Grinding Ball For Iron Ore Mine)

C

Si

Mn

P

S

Cr

0.76-0.82

0.17-0.35

0.72-0.80

≤0.020

≤0.015

0.50-0.60

Ni

Cu

Mo

Alt

V


≤0.25

≤0.20

/

0.020-0.050

/


25mm-30mm Forged Grinding Ball For Iron Ore Mine
     Quality Performance

Ball Size

Surface Hardness

Core Hardness

Volume Hardness

25mm

63-64 HRC

62-63 HRC

62-64 HRC

30mm

63-64 HRC

62-63 HRC

62-64 HRC


Steel Rod Type: B2, Chemical Comments
     (Forged Grinding Ball For Iron Ore Mine)

C

Si

Mn

P

S

Cr

0.76-0.82

0.17-0.35

0.72-0.80

≤0.020

≤0.015

0.50-0.60

Ni

Cu

Mo

Alt

V


≤0.25

≤0.20

/

0.020-0.050

/


40mm-50mm Forged Grinding Ball For Iron Ore Mine
     Quality Performance

Ball Size

Surface Hardness

Core Hardness

Volume Hardness

40mm

62-64 HRC

61-63 HRC

61-64 HRC

50mm

61-64 HRC

60-63 HRC

60-63 HRC


Steel Rod Type: B3, Chemical Comments
     (Forged Grinding Ball For Iron Ore Mine)

C

Si

Mn

P

S

Cr

0.61-0.65

1.73-1.80

0.73-0.80

≤0.020

≤0.015

0.80-0.88

Ni

Cu

Mo

Alt

V


≤0.25

≤0.20

/

/

/


60-90mm Forged Grinding Ball For Iron Ore Mine
     Quality Performance

Ball Size

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

60mm

61-63 HRC

59-61 HRC

59-62 HRC

≥14 J/CM2

70mm

61-63 HRC

59-61 HRC

59-62 HRC

≥16 J/CM2

80mm

61-63 HRC

59-61 HRC

59-62 HRC

≥18 J/CM2

90mm

61-63 HRC

59-61 HRC

59-62 HRC

≥20 J/CM2


Steel Rod Type: B3, Chemical Comments
     (Forged Grinding Ball For Iron Ore Mine)

C

Si

Mn

P

S

Cr

0.61-0.65

1.73-1.80

0.73-0.80

≤0.020

≤0.015

0.80-0.88

Ni

Cu

Mo

Alt

V


≤0.25

≤0.20

/

/

/


100-125mm Forged Grinding Ball For Iron Ore Mine
     Quality Performance

Ball Size

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

100mm

60-62 HRC

58-60 HRC

58-62 HRC

≥22 J/CM2

120mm

60-62 HRC

58-60 HRC

58-62 HRC

≥24 J/CM2

125mm

60-62 HRC

58-60 HRC

57-61 HRC

≥26 J/CM2


Difference between hot rolled grinding balls and casted balls:

A)Difference in steel ball consumption

In 2014-2015, A certain mining company has, according to the hot rolled grinding balls of DongBang company and use of casted balls by a certain factory, drawn up a list of comparision in use and consumption as follows:

             Type of
            Steel Ball

Super-high
     -chromium
     Steel Ball
     Cr 18%

High
     -chromium
     Steel Ball
     Cr 10%

Medium
     -chromium
     Steel Ball
     Cr 6%

Low
     -chromium
     Steel Ball
     Cr 3%

Dongbang
     Hot Rolled
     Steel
     Ball

EXW
     Price

RMB8000
     /Ton

RMB5000
     /Ton

RMB4500
     /Ton

RMB3500
     /Ton

RMB6800
     /Ton

Wear
     Consumption

>500
     Grams

>850
     Grams

>1000
     Grams

>1200
     Grams

<500
     Grams

Steel Ball
     Consumption
     Per Ton of
     Concentrate

>1500
     Grams

>2550
     Grams

>3000
     Grams

>3500
     Grams

<1200
     Grams

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