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  2. for used steel grinding mild machines are

for used steel grinding mild machines are

Jul 05 2017 Just about any aluminum oxide wheel in the 3660 grit and HJ hardness ranges can be used for mild steel with the correct feeds and speeds Id go for a 46I its better to go softer than harder I use a 46h currently and thats a but too soft for mild steel but perfect for tool steels

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