high quality casting steel ball
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 ,