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ASTM B578-87(1999)

M00002038

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ASTM B578-87(1999) Standard Test Method for Microhardness of Electroplated Coatings

standard by ASTM International, 03/10/1999

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1.1 This test method covers the determination of the hardness of metallic coatings upon various substrates. The measurements are made with the Knoop indenter under a test load of 0.245 N (25 gf) or 0.981 N (100 gf).