Cast Grinding Ball

• Customization: Available
• Standard: Yb/T091-2005
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: 15-130mm
• Material: Steel
• Type: Grinding Ball
• Surface Hardness: HRC60-65
• Endurance Impact Test: 10000times Min
• Breakage: Below 1%
• Roundness: Good
• Tolerance: National Standard
• Wear Resistance: Good
• Transport Package: Container Bag, Steel Drum
• Specification: 15-130mm
• Trademark: Jinchi
• Origin: China
• HS Code: 73259100
• Production Capacity: Over 100, 000tons/Year

Product Description

Chemical composition of forging steel balls

Item		C	Si	Mn	Cr	P	S	Mo	Cu	Ni
High chrome cast grinding balls	ZQCr12	2.0-3.0	0.3-1.2	0.2-1.0	11-13	≤0.10	≤0.10	0-1.0	0-1.0	0-1.5
	ZQCr15	2.0-3.0	0.3-1.20	0.2-1.05	14-17	≤0.10	≤0.10	0-1.0	0-1.0	0-1.5
	ZQCr20	2.0-2.8	0.3-1.0	0.2-1.0	18-22	≤0.10	≤0.08	0-2.0	0-1.0	0-1.5
	ZQCr26	2.0-2.8	0.3-1.0	0.2-1.0	22-28	≤0.10	≤0.08	0-2.5	0-2.0	0-1.5
Middle chrome cast grinding balls	ZQCr7	2.0-3.2	0.3-1.5	0.2-1.0	6.0-10	≤0.10	≤0.08	0-1.0	0-0.8	0-1.5
Low chrome cast grinding balls	ZQCr2	2.0-3.6	0.3-1.5	0.2-1.0	1.0-3.0	≤0.10	≤0.08	0-1.0	0-0.8	-------
Bainite ductile cast grinding balls	ZQsi3	3.2-3.8	2.0-3.5	2.0-3.0	---------	≤0.10	≤0.08	--------	--------	-------

Specification of forged steel Grinding balls

Nominal diameter	Weight of single ball in average	Quantity/MT	Surface hardness	Impact toughness
(mm)	(mm)		(HRC)	(Times)
Ф15	13.8	72549	>60	>10000
Ф17	20.1	49838		>10000
Ф20	32.7	30607		>10000
Ф25	64	15671		>10000
Ф30	110	9069		>10000
Ф40	261	3826		>10000
Ф50	510	1959		>10000
Ф60	882	1134		>10000
Ф70	1401	714		>10000
Ф80	2091	478	>58	>10000
Ф90	2977	336		>10000
Ф100	4084	245		>8000
Ф120	7057	142		>8000
Ф130	8740	115		>8000

Our Other Products:

Forging(Rolling) steel balls(Diameter)	Grinding Cylpebs	Grinding Rods
Rolling steel balls(20-50mm)	Grinding Cylpebs20*25mm(Min)	Grinding Rods30-120mm(Diameter)
Rolling steel balls(60-90mm)	Grinding Cylpebs45*55mm(Max)	Grinding Rods3000-6000mm(Length)
Rolling steel balls(100-130mm)		Grinding Rods HRC45-55(Surface Hardness)
Rolling steel balls(140-150mm)

Four Major Advantages Stronger and More Wearable
(1)Customized Raw Materials
(2)Advanced Full-automatic Production Line
(3)Unique Heat Treatment Technology
(4)Rigorous Quality Control System


 



Packing of Products: