Exposure rack
5°
PoliLaPP – Laboratory of Corrosion of Materials “Pietro Pedeferri” Politecnico di Milano is a site at a roof of a 3-floor building located in an urban centre in Milano (north east). The building is part of the Department of Chemistry, Materials and Chemical Engineering „G. Natta“, Politecnico di Milano
ISO 9223 - Measurement period: 2022-12-01 - 2023-12-20 Measuring inputed: 2024/08/30 | Steel | Zinc | Copper | Aluminium |
---|---|---|---|---|
ISO 9223 - Corrosion rate [g/m² year] | - | 3.8 | - | - |
Corrosivity category | - | C2 | - | - |
ISO 9223 - Standard deviation of corrosion rate [g/m² year] | - | - | - | - |
ISO 9223 - Measurement period: 2022-06-01 - 2024-06-30 Measuring inputed: 2024/08/30 | Steel | Zinc | Copper | Aluminium |
---|---|---|---|---|
ISO 9223 - Corrosion rate [g/m² year] | 59 | - | - | - |
Corrosivity category | C2 | - | - | - |
ISO 9223 - Standard deviation of corrosion rate [g/m² year] | - | - | - | - |
ISO 9223 - Measurement period: 2006-09-01 - 2007-09-01 Measuring inputed: 2022/08/23 | Steel | Zinc | Copper | Aluminium |
---|---|---|---|---|
ISO 9223 - Corrosion rate [g/m² year] | - | - | 4.5 | - |
Corrosivity category | - | - | C2 | - |
ISO 9223 - Standard deviation of corrosion rate [g/m² year] | - | - | - | - |
Parameter | Value | Measurment period | |
---|---|---|---|
Rainfall [mm/year] | 1090 | 2022-06-01 - 2024-06-30 | |
825 | 2006-09-01 - 2013-10-01 | ||
Temperature [°C] | 18.1 | 2022-06-01 - 2024-06-30 | |
15 | 2006-09-01 - 2013-10-01 | ||
SO2 [µg/m³] | 2.6 | P0 | 2022-06-01 - 2024-06-30 |
4.5 | P0 | 2006-09-01 - 2016-06-01 | |
NOx [µg/m³] | 27.8 | 2022-06-01 - 2024-06-30 | |
95 | 2006-09-01 - 2016-06-01 | ||
Relative humidity [%] | 61 | 2022-06-01 - 2024-06-30 | |
61 | 2006-09-01 - 2013-10-01 | ||
Time of wetness [%] | 31 | τ4 | 2022-06-01 - 2024-06-30 |
Easy accessibility and control. Possible extension of the available space. The exposure site was renewed in 2022.
Politecnico di Milano, Dept. Chemistry, Materials and Chemical Engineering „G. Natta“, Laboratory of Corrosion of Materials “Pietro Pedeferri”, Via Luigi Mancinelli 7, 20131 Milano (Italy)
Andrea Brenna, andrea.brenna@polimi.it, +39 02 2399 3119
andrea.brenna@polimi.it