Choosing The Right Grinding Wheel : Modern Machine ShopDec 15, 2000 . Silicon carbide is an abrasive used for grinding gray iron, chilled iron, . shops, foundries, billet shops, and for saw sharpening and gumming.billet grinding iron,billet grinding iron,Is it Safe to grind aluminum, or not? - FinishingMy question is, is it a safe practice to grind aluminum on a stone type . However, if the aluminum and iron wastes are kept separate, then there is little risk.
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