—— Mr. David Chambers
—— Neil Renato
—— Fermin Lee
—— Dalius Skinulis
—— Sun Chull Kim
For any given thickness, the indicated Rockwell hardness is the minimum value acceptable for testing.
For a given hardness, material of any greater thickness than that corresponding to that hardness can be tested on the indicated scale.
Note A: These approximate hardness numbers are for use in selecting a suitable scale and should not be used as hardness conversions. If necessary to convert test readings to another scale, refer to Hardness Conversion Tables E 140 (Relationship Between Brinell Hardness, Vickers Hardness, Rockwell Hardness, Rockwell Superficial Hardness, and Knoop Hardness).
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