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Contact Supplier| Hyper steel Grinding Media Balls and Cylpebs as Per IS 6079-1989: |
| (A)Â CHEMICAL COMPOSITION: The Chemical Composition of the grinding Media Will Be as Per IS 6079-1980:follows: |
GRADE_1 (For Size below 60 mm) | GRADE-2 (For Size below 60 mm) | |
| Carbon | 1.25-1.50 | 1.60-1.90 |
| Silicon | 1.00 Max. | 1.00 Max. |
| Manganese | 1.20-1.50 | 1.20-1.50 |
| Chromium | 1.50-2.00 | 1.50-2.00 |
| Sulphur | 0.06 Max. | 0.06 Max. |
| Phospherous | 0.06 Max | 0.06 Max |
(i) Hardness : When tested in accordance With IS 1500 / 1983 the hardness at any point across the Section of the Ball is More than 375 BHN.
(ii)Â MICROSTRUCTUREÂ : Microstructure Shall be free form Continuous Carbide network .
(iii)Â HEAD TREATMENTÂ : The Grinding Media is Suitably Heat Treated to Obtain the Required Hardness and Microstructure.
(iv)Â STANDARD SIZE OF GRINDING MEDIAÂ : Balls Diameter (mm) -100,90,80,75,70,65,60,50,40,30,25,&20
Cylpebs (mm)- 25x25, 22x22, 19x19
(v)Â TOLERANCE ON SIZEÂ : VARIATION On Size : Shall Not Exceed the Following Limits
| SHAP AND SIZE | TOLERANCE (MM) |
| (1) Ball for Size 60 mm & Abobe | +/- 2.50 |
| (2) Ball for Size 30 to 50 mm & Below | +/- 2.00 |
| (2) Ball for Size 15 to 25 mm & Below | +/- 1.50 |
| (3) Cylpebs for All Sizes | +/- 1.50 |