No products
ASTM B578-87(1999)
Standard Test Method for Microhardness of Electroplated Coatingsstandard by ASTM International, 03/10/1999
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).
No products