High Crome Steel Media Balls

Hyper /High Crome Steel Media Balls Hyper steel Grinding Media Balls and Cylpebs as Per IS 6079-1989: (A) 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) MICROSTRUCTURE : Microstructure Shall be free form Continuous Carbide network . (iii) HEAD TREATMENT : The Grinding Media is Suitably Heat Treated to Obtain the Required Hardness and Micro structure. (iv) 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 (v) TOLERANCE ON SIZE : 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