jaw crusher

Forged grinding balls

【Introduction】:
Good quality used in Mining, Cement
【 Capacity 】:
100, 000Tons/Year
【Improvement】:
Diameter 20mm-165mm (4/5”to 6½” aprox). Material-We use the high quality bar as raw material. High end heat treatment technology, based on Taihong 30 years of metallurgical experience guarantee the long wear life.

【Product Structure】

Forged grinding balls(图1)

【Technical Parameters】

Chemical Components
TypeChemical components
CMnSiCrSP
45#0.42-0.480.50-0.800.17-0.37≤0.25≤0.035≤0.035
50Mn0.48-0.560.70-1.000.17-0.37≤0.25≤0.035≤0.035
60Mn0.57-0.650.70-1.000.17-0.37≤0.25≤0.035≤0.035
65Mn0.62-0.700.90-1.200.17-0.37≤0.25≤0.035≤0.035
B20.75-0.850.70-0.900.17-0.370.40-0.60≤0.030≤0.030
B30.55-0.650.75-0.900.20-0.370.85-1.20≤0.030≤0.030
B40.58-0.660.65-0.801.60-1.900.70-0.90≤0.030≤0.030
B60.97-1.031.00-1.100.20-0.300.50-0.60≤0.025≤0.025
Mechanical Properties
MaterialHardness(HRC)Impact Falling Times
Φ20-Φ50Φ60-Φ90Φ100-Φ150
SurfaceCoreSurfaceCoreSurfaceCore
45#≥54≥36≥54≥34≥52≥30≥15≥22000
50Mn≥58≥38≥58≥36≥55≥32≥15≥22000
60Mn≥60≥42≥60≥40≥58≥36≥15≥22000
65Mn≥60≥42≥60≥40≥58≥36≥15≥22000
B2≥60≥60≥60≥50≥60≥46≥15≥22000
B3≥60≥60≥60≥50≥60≥48≥15≥22000
B4≥60≥60≥60≥55≥60≥52≥15≥22000
B6≥60≥60≥60≥59≥60≥55≥15≥22000



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