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This standard establishes principles of methods and testing procedures of alkaline blackening (black finishing) of iron materials.
| Author | DIN |
|---|---|
| Editor | DIN |
| Document type | Standard |
| Format | File |
| ICS | 25.220.20 : Surface treatment
|
| Number of pages | 11 |
| Replace | DIN 50938 (2016-10) |
| Year | 2018 |
| Document history | DIN 50938 (2018-01) |
| Country | Germany |
| Keyword | 50938 |