60mm Rolling Grinding Steel Balls For Chile
USD $510 - $620 /Metric Ton
Min.Order:10 Metric Tons
Zhangqiu Taitou Special Steel Ball Factory
60mm Rolling Grinding Steel Balls For Chile
1.Feature:
1) High Hardness: Surface hardness of forged steel ball is to 60-68 HRC and volume hardness of rolling ball is to 60-65 HRC;
2) High Impact Toughness: The impact toughness is more than 12 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 50-500 g/ton.
2.Chemical Composition of Forged Grinding Ball
Based on steel material, the forged steel balls are defined into 7 brands. And their chemical composition is shown in the following:
Brand | Material | C | Mn | Si | Cr | S | P | V |
TITLE-1 | 50MN | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | |
TITLE-2 | 60MN | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 | |
TITLE-3 | 65MN | 0.60-0.70 | 0.70-1.20 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 | |
TITLE-4 | 75Mn | 0.72-0.92 | 0.70-1.20 | 0.17-0.37 | ≤0.25 | ≤0.030 | ≤0.030 | |
TITLE-5 | 75MnCr(B2) | 0.72-0.85 | 0.70-1.20 | 0.17-0.37 | 0.42-0.85 | ≤0.030 | ≤0.030 | |
TITLE-6 | B3 | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.030 | ≤0.030 | 0.1-0.2 |
3.Product Description of Forged Grinding Ball
Brand | Impact Test AK.J/cm2 | Endurance Test Times(5m) | Surface Hardness | Core Hardness |
TITLE-1 | ≥12 | ≥10000 | ≥56 | ≥48 |
TITLE-2 | ≥13 | ≥10000 | ≥58 | ≥50 |
TITLE-3 | ≥15 | ≥12000 | ≥60 | ≥50 |
TITLE-4 | ≥17 | ≥12000 | ≥62 | ≥55 |
TITLE-5 | ≥16 | ≥12000 | ≥60 | ≥60 |
TITLE-6 | ≥17 | ≥12000 | ≥60 | ≥50 |
4.Specification of Forged Grinding Ball
5.Main Process of Forged Steel Ball
1)Raw material 2)Cutting 3)Heating 4)Forging 5)Quenching 6)Tempering 7)Testing 8)Qualified Products 9)Packing
6.Applied Field
1)Cement Plants 2)Mines and Metal 3)Power stations 4)Chemical Industries 5)Grinding Mill, Ball mill, Coal mill
(1) Steel Drums(with Pallet): 800-950KG/Drum
(2) Container Bags: 1000KG/Bag
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