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Hi chrome steel Grinding Media Balls and Cylpebs
(a) CHEMICAL COMPOSITION: The chemical composition of the grinding media will be as follows:
| KCPL-1 | KCPL-2 | |
| Carbon | 1.50-3.00% | 2.0-3.0% |
| Silicon | 0.40-1.00% | 0.4-1.5% |
| Manganese | 0.60-2.00% | 0.6-2.0% |
| Chromium | 10.0-16.00% | 16.0-20.0% |
| Molybdenum | 0.50 Max. | 0.5-1.0% |
| Sulphur | 0.06% Max. | 0.06% Max. |
| Phosphorous | 0.06% Max. | 0.06% Max. |
(b) HARDNESS: When tested in accordance with IS 1500/1983 the hardness at any point across the section of the ball is 600 BHN.
(c) MICROSTRUCTURE: Fine martensitic structure with dispersed Eutetic secondary carbides.
(d) HEAT TREATMENT: The grinding media is suitably heat treated to obtain the required hardness and Microstructure.
(e) STANDARD SIZE OF GRINDING
MEDIA:
Balls diameter (mm)-100,90,80,75,70,65,60,50,40,30,25,
& 20
Cylpebs (mm)-25x25, 22x22, 19x19, 16x16
OTHER TECHNICAL SPECIFICATIONS
(f) TOLERANCE ON SIZE: Variation on size shall not exceed the following limits:-
| SHAPEAND SIZE | TOLERANCE(mm) |
| (1)Balls for sizes 60 mm & above | +/- 3.00 |
| (2)Balls for sizes 50 mm & below | +/- 2.50 |
| (3)Cylpebs for all sizes | +/- 1.50 |