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Hi Chrome Grinding Media Balls

PRODUCT DESCRIPTION

(a) CHEMICAL COMPOSITION: The chemical composition of the grinding media will be as per IS 6079-1980: as follows:

	GRADE-1 (For size 60 mm & above)	GRADE-2 (For size below 60 mm)
Carbon	1.10-1.60	1.50-2.00
Silicon	1.00 Max.	1.00 Max.
Manganese	0.90-1.60	0.90-1.60
Chromium	1.20-2.40	1.20-2.40
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 more than 375 BHN.

(c) MICROSTRUCTURE: Microstructure shall be free from continuous carbide network.

(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) - 125,100,90,80,75,70,65,60,50,40,30,25,20 & 17
Cylpebs (mm)-25x25, 22x22, 19x19
OTHER TECHNICAL SPECIFICATIONS WILL CONFIRM TO IS 6079-1980

(f) TOLERANCE ON SIZE: Variation on size shall not exceed the following limits:-

Sl/No	SHAPE AND 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

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 6079-1989: as follows:

	GRADE-1 (For size 60 mm & above)	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.
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 more than 375 BHN.

Sl/No	SHAPE AND SIZE	TOLERANCE (mm)
1	Balls for sizes 60 mm & above	+/- 2.50
2	Balls for sizes 50 mm & below	+/- 2.00
3	3Balls for sizes 25 mm to15mm & Cylpebs for all sizes	+/- 1.50