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Jiangyin Dongbang Steel Ball Machinery Co.,Ltd

ADD:NO.42 Hua Lu Road, Huashi Town, Jiangyin City, Jiangsu Province

Tel:86-0510-86370386

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Email:grindingballsmedia@163.com

Forged Steel Ball for Iron Ore Mine

Forged Steel Ball For Iron Ore Mine Introduction “Dongbang” brand forged steel 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%. Technical Datas Application: Forged Steel Ball For...

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  • Product Details

Forged Steel Ball For Iron Ore Mine Introduction
“Dongbang” brand forged steel 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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Technical Datas
Application: Forged Steel Ball For Iron Ore Mine, fit for different types ball mill.
Price: Negotiable
Payment term: TT, LC
Delivery date: Negotiable
Packing: ton bag or Iron drum
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Major Market: Worldwide
Min Order Quantity: 2x20’GP per Each Ball Size
Ball Size Range: 25mm to 125mm (1” to 5”)
Details quality performance

                                                                                  Steel Rod Type: B2, Chemical Comments
                                                                                        (Forged Steel 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 Steel 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 Steel 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 Steel 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 Steel 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 Steel 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 Steel 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 Steel 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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