4'' steel metal balls for lead-zinc mining ores in mill
High hardness :58-67HRC
Lower breakage : less than 0.1%
Impact toughness :>12J/cm2
Capacity :25 000 tons/Month
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clark liu Skype : cowboy0910
MOB:+86 158 310 53665
4'' forged grinding balls for lead-zinc mining ores in mill