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,Patent US2725286 - Abrasive and grinding wheel - Google PatentsIn this connection billet grinding has heretofore been done principally with . 29, 1955 creased by the fact that the iron oxide includes a large proportion of.
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