Guide to Understanding Abrasive Wheels
2018-9-4u2002·u2002The four primary types of grains used on abrasive wheels for metal include aluminum oxide, zirconia alumina, silicon carbide, and ceramic alumina: Aluminum oxide grains are tough and hard-wearing, making this type of abrasive wheel a good choice for grinding metals such as steel, stainless steel and other ferrous metals.
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