The site is located on BAM´s headquarters in Berlin-Steglitz on the roof of the main building at a height of 17 m relative to street (ground) level. The distance to the B1 federal road is 25 m. It has the possibility to expose samples under free weathering and under sheltered conditions. The racks are oriented to the southwest.
ISO 9223 - Measurement period: 2016-08-01 - 2017-08-01 Measuring inputed: 2022/08/23 | Steel | Zinc | Copper | Aluminium |
---|---|---|---|---|
ISO 9223 - Corrosion rate [g/m² year] | 56 | 5.3 | 9.1 | 0.2 |
Corrosivity category | C2 | C3 | C3 | C2 |
ISO 9223 - Standard deviation of corrosion rate [g/m² year] | ±3 | ±0.8 | ±0.5 | ±0 |
Parameter | Value | Measurment period | |
---|---|---|---|
Rainfall [mm/year] | 505 | 2016-05-01 - 2017-05-01 | |
Temperature [°C] | 10.2 | 2016-05-01 - 2017-05-01 | |
SO2 [µg/m³] | 1.8 | P0 | 2016-01-01 - 2017-12-01 |
Chloride deposition [mg/m² day] | 12 | S1 | 2019-01-01 - 2019-02-01 |
pH of rain | 5.4 | 2017-08-01 - 2017-08-01 | |
Relative humidity [%] | 79 | 2016-05-01 - 2017-05-01 | |
Time of wetness [%] | 45 | τ4 | 2016-05-01 - 2017-05-01 |
Test racks installed are BAM standard test racks, meaning that all test racks of the BAM have the same size and same dimensions especially for the sheltered part of the test racks. Thus, the different locations are comparable to each other. Sheltered part has the following size: 1500×700×700 mm.
Bundesanstalt für Materialforschung und -prüfung (BAM), Division 7.6 Corrosion and Corrosion Protection, Unter den Eichen 87, 12205 Berlin, Germany
Thoralf Müller, thoralf.mueller@bam.de, +49 30 8104 4193
thoralf.mueller@bam.de