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ASTM B912-02(2018)
Standard Specification for Passivation of Stainless Steels Using ElectropolishingMore info
1.1 This specification covers the passivation of stainless steel alloys in the 200 (UNS2XXXX), 300 (UNS3XXXX), and 400 (UNS4XXXX) series, and the precipitation-hardened alloys, using electropolishing procedures.
Note 1: Surface passivation occurs simultaneously with electropolishing under proper operating conditions. The quality of passivation will depend on the type of stainless steel, the formulation of the electropolishing solution, and the conditions of operation. Free iron on the surface of the stainless steel is removed resulting in improved corrosion resistance. Surface smoothing obtained by electropolishing will also improve corrosion resistance. Electropolishing will also remove heat tint and oxide scale.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2018-10-01 |
| ICS | 49.040 : Coatings and related processes used in aerospace industry |
| Number of pages | 4 |
| Replace | ASTM B912-02(2013) |
| Set | ASTMVOL0205 |
| Year | 2008 |
| Document history | ASTM B912-02(2013) |
| Country | USA |
| Keyword | ASTM 912;ASTM B912;ASTM B912;10.1520/B0912-02R18 |