This European Standard specifies trivalent chromium based chemical conversion coatings for aluminium and aluminium alloys. It covers the application by bath but also by touch-up. It doesn’t give complete in house process instructions; these shall be given in the manufacturers detailed process instructions.
Tämän julkaisun valmistelusta Suomessa vastaa SFS Suomen Standardit, puh. 09 149 9331.
EN 4707:2020 Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium
EN 9100:2018 Quality Management Systems - Requirements for Aviation, Space and Defence Organizations
EN ISO 2409:2020 Paints and varnishes - Cross-cut test (ISO 2409:2020)
EN 4707:2020 Aerospace series - Acid pickling of aluminium and aluminium alloys without hexavalent chromium
EN 9100:2018 Quality Management Systems - Requirements for Aviation, Space and Defence Organizations
EN ISO 2409:2020 Paints and varnishes - Cross-cut test (ISO 2409:2020)
EN ISO 2812-2:2018 Paints and varnishes - Determination of resistance to liquids - Part 2: Water immersion method (ISO 2812-2:2018)
EN ISO 3892:2001 Conversion coatings on metallic materials - Determination of coating mass per unit area - Gravimetric methods (ISO 3892:2000)
EN ISO 9227:2017 Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227:2017)
EN ISO 9227:2022 Corrosion tests in artificial atmospheres - Salt spray tests (ISO 9227:2022)