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	Hardness     :    45-65HRC
	Impact Value   :    1-7j/Cm^2
	Breakage Rate  :    0.5%-1%
	Diameter       :   17mm-130mm(1-6inch)
	Balls Number   :    8000-12000times
	Wear         :     0.02-0.80kg
	Microstructure   :   M+C        ISO9001: 2008   
	MOQ:       :    5 
	Delivery time  : 15 days after receiving 50% advanced payment
	Application :mines . power station , cement plant ,