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HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining

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HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining

HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining


Product Description


Special grinding balls and grinding sections for mining are tailor-made according to the working conditions of wet grinding in the mining industry. The wear resistance is about 2 times that of ordinary grinding balls. We also provide personalized application solutions, such as providing ball mill grinding body grades. Matching technology, best usage plan, grinding body material and performance design, production improvement, energy saving and consumption reduction, etc.


Technical parameters


① Material: Cr8%, Cr10%, Cr12%, Cr15%, Cr18%.

② Hardness: HRC60-68

③ Impact value: ≥3.5J/cm3

④ Broken rate after use: ≤0.3%

⑤ Grinding ball specifications: φ15mm—φ130mm

⑥ Grinding section specifications: φ18*18mm—φ50*60mm


product nameSpecial grinding balls and grinding sections for mining
chemical composition(%)CSiMnCrSPY
1.8-3.30.3-1.20.2-1.08.0-20.0≤0.08≤0.08≤0.10
MoNbTiVCuAlW
microscalemicroscalemicroscalemicroscalemicroscalemicroscalemicroscale
mechanical propertiesMicrostructureImpact value AK(J/cm3)hardness(HRC)Falling ball impact fatigue life (number of times)
M+C+A≥3.560-68≥28000
Remark:M—martensite C—carbide A—retained austenite

Product Application


Quality HRC60-68 Wear Resistant Grinding Ball Cr8%-18% Casting Steel Grinding Ball For Mining for sale
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