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Hardness conversions are empirical relationships that are defined by conversion tables limited to specific categories of materials. This article is a comprehensive collection of tables that list hardness conversion formulas. Approximate Rockwell B and C hardness conversion numbers for nonaustenitic steels, and approximate equivalent hardness numbers for Brinell and Vickers (diamond pyramid) hardness numbers for steels are provided.

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2014. "Steel Hardness Conversions", Heat Treating of Irons and Steels, Jon L. Dossett, George E. Totten

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