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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).
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2015-03-01 |
| ICS | 25.220.40 : Metallic coatings |
| Number of pages | 2 |
| Replace | ASTM B578-87(2009) |
| Set | ASTMVOL0205 |
| Year | 1980 |
| Document history | ASTM B578-87(2009) |
| Country | USA |
| Keyword | ASTM 578;ASTM B578;ASTM B578;10.1520/B0578-87R15 |