Grinding balls - Eternity Technology Co.,Ltd

Grinding balls

The combination of stable composition control, advanced production process, out-of-art manufacturing facilities, and precision inspection equipments creates a first-class products quality.
Our grinding balls high hardness (62 HRC) and various diameter ratio makes the high wear-resistance and cost-efficiency come true, as a result, creating a higher added value for our users.

CAST GRINDING BALLS
Ball size（mm）
Ф10	Ф12.5	Ф15	Ф17	Ф20	Ф25	Ф30	Ф40	Ф50
Ф60	Ф70	Ф80	Ф90	Ф100	Ф110	Ф120	Ф125	Ф130
CHEMICAL COMPOSITION %
DESCRIPTIOIN	TYPE	CHEMICAL COMPOSITION %
HIGH CHROME CAST GRINDING BALLS	ZQCr10	C	Si	Mn	Cr	P	S	Mo
		2.0-3.6	0.3-1.2	0.3-1.4	10-12	≤0.09	≤0.09	0.05 max
		Cu	Ni	Nb	Ti	B	Zr	V
		0.05 max	0.05 max	0.05 max	0.05 max	0.05 max	0.05 max	0.05 max
SUPER HIGH CHROME CAST GRINDING BALLS		C	Si	Mn	Cr	P	S	Mo
	ZQCr17	2.0-3.6	0.3-1.3	0.3-1.4	17-19	≤0.09	≤0.09	0.05 max
	ZQCr20	2.0-3.6	0.3-1.3	0.3-1.4	20-22	≤0.09	≤0.09	0.05 max
	ZQCr26	2.0-3.6	0.3-1.3	0.3-1.4	26-28	≤0.09	≤0.09	0.05 max
	ZQCr17 ZQCr20 ZQCr26	Cu	Ni	Nb	Ti	B	Zr	V
	ZQCr17 ZQCr20 ZQCr26	0.05 max	0.05 max	0.05 max	0.05 max	0.05 max	0.05 max	0.05 max
PHYSICAL PROPERTIES AND MICROSTRUCTURE
DESCRIPTIOIN	TYPE	INT’S STANDARD		MEILILIN STANDARD	IMPACT VALUE ak(j/c㎡)	MICROSTRUCTURE	BALLS DROPPING TIMES WITHOUT BREAKAGE
DESCRIPTIOIN	TYPE	Hardness RC		Hardness HRC	IMPACT VALUE ak(j/c㎡)	MICROSTRUCTURE	BALLS DROPPING TIMES WITHOUT BREAKAGE
HIGH CHROME CAST GRINDING BALLS	ZQCr10	≥58		≥60	≥4.0	M+C	≥20000
SUPER HIGH CHROME CAST GRINDING BALLS	ZQCr17	≥58		≥60	≥4.0		≥20000
	ZQCr20	≥58		≥60	≥4.0		≥20000
	ZQCr26	≥58		≥60	≥5.0		≥20000

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