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Rolling Ball
  • Rolling Ball
  • Rolling Ball
  • Rolling Ball
  • Rolling Ball

Rolling Ball

1) High Hardness: Surface hardness of rolling steel ball is to 60-68 HRC and volume hardness of rolling grinding ball is to 60-65 HRC;

2) High Impact Toughness: The impact toughness is more than 15 J/cm2;

3) Low Broken Rate: The actual broken rate is not higher than 1%;

4) Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.


Product Details

1. Feature:

1) High Hardness: Surface hardness of rolling steel ball is to 60-68 HRC and volume hardness of rolling grinding ball is to 60-65 HRC;

2) High Impact Toughness: The impact toughness is more than 15 J/cm2;

3) Low Broken Rate: The actual broken rate is not higher than 1%;

4) Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.

 

2. Chemical Composition of Rolling Grinding Ball

Based on steel material, the rolling steel balls are defined into 7 brands. And their chemical composition is shown in the following:

BrandMaterialCMnSiCrSPV
TITLE-1TT-450.42-0.560.50-0.80.17-0.37≤0.25≤0.035≤0.035
TITLE-250MN0.48-0.560.70-1.00.17-0.37≤0.25≤0.035≤0.035
TITLE-360MN0.57-0.650.70-1.00.17-0.37≤0.25≤0.030≤0.030
TITLE-465MN0.60-0.700.70-1.200.17-0.37≤0.25≤0.030≤0.030
TITLE-575MnCr(B2)0.72-0.850.70-1.200.17-0.370.42-0.85≤0.030≤0.030
TITLE-6B30.5-0.650.4-1.01.3-1.90.7-1.2≤0.020≤0.0200.1-0.2


3. Product Description of Rolling Grinding Ball

BrandImpact Test AK.J/cm2Endurance Test Times(5m)Surface HardnessCore Hardness
20-60mm70-150mm20-60mm70-150mm
TITLE-1≥15≥15000≥53≥52≥38≥35
TITLE-2≥15≥15000≥55≥55≥50≥40
TITLE-3≥15≥15000≥56≥55≥50≥45
TITLE-4≥16≥15000≥58≥55≥55≥45
TITLE-5≥16≥15000≥58≥56≥58≥52
TITLE-6≥16≥15000≥60≥58≥60≥55


4. Specification of Rolling Grinding Ball

Nominal DiameterDiameter ToleranceWeight of Single Ball In AverageNumbers of Per Ton Ball In Average
(mm)(Inch)(mm)(g)
200.75''+2
     -1
3231250
251''
6415625
301.25''
1109090
401.5''
2633802
502''
5131949
602.5''+3
     -2
8881126
702.75
1410709
803.25''
2104475
903.5''
2996333
1004''
4110243
1104.5''+4
     -2
5457182
1204.75''
7102140
1305''
9030110
1405.5''+4
     -3
1127888
1506''
1387172


5. Applied Field

1) Cement Plant

2) Mines (Gold, Copper, Iron, Molybdenum, Lead, Zinc, etc)

3) Coal Power station

4) Chemical Industries

5) Sag Mill, Ball mill


6. Packaging & Shipping

(1) Container Bags: 1000KGS/Bag


(2) Container Bags: 1000KG/Bag

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+86 155 5006 9809
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