1. ICP-Materials Weathering Steel (2011-2019)
35th ICP-Materials Meeting
París, April 2019

2. Material: ThyssenKrupp – Corten A: (Similar to Atmofix 52 A used in 1987-1995)
9 Samples for test site:
3 Samples (1 year exposure)
3 Samples (4 years exposure)
3 Samples (8 years exposure)

3. Summary table 1 Prague 2011 2012 2015 2019 3 Kopisty 10 Bottrop 13
Start
1-Year
4 Years
8-years 1
Prague
2011
2012
2015
2019 3
Kopisty 10
Bottrop 13
Rome 14
Casaccia 15
Milan 16
Venice 21
Oslo 23
Birkenes 24
Stockholm 26
Aspvreten 31
Madrid 33
Toledo 40
Paris 41
Berlin 44
Svanvik 45
Chaumont 50
Katowice 51
Athens 52
Riga 53
Vienna 54
Sofia 55
St. Petersburg 57
Hameenlinna
2014
2018
2022 58
New Haven
2016
2023 59
Zilina 35
Lahemaa
2017
2021
2025
Berlín 60
Split 61
Zagreb 62
Moscow
Summary table

4. Summary table 1 Prague 2011 2012 2015 2019 3 Kopisty 10 Bottrop 13
Start
1-Year
4 Years
8-years 1
Prague
2011
2012
2015
2019 3
Kopisty 10
Bottrop 13
Rome 14
Casaccia 15
Milan 16
Venice 21
Oslo 23
Birkenes 24
Stockholm 26
Aspvreten 31
Madrid 33
Toledo 40
Paris 41
Berlin 44
Svanvik 45
Chaumont 50
Katowice 51
Athens 52
Riga 53
Vienna 54
Sofia 55
St. Petersburg 57
Hameenlinna
2014
2018
2022 58
New Haven
2016
2023 59
Zilina 35
Lahemaa
2017
2021
2025
Berlín 60
Split 61
Zagreb 62
Moscow
Summary table

5. 1. CORROSION DATA

6. Corrosion, g/m2
ISO 8407 (method C3.5):
500 ml HCl+ 3.5 g Hexamethylenetetramine to 1000 ml solution
2 Samples for Mass loss: Relative standard deviation was always <5%
1 Sample for corrosion product layer characterization (XRD, SEM/EDX, cross section, etc.)

7. Evaluation of samples after 1-year of exposure

8. Evaluation of samples after 1-year of exposure

9. Evaluation of samples after 4-years of exposure

10. Evaluation of samples after 4-years of exposure

11. Evaluation of samples after the trend exposure 2011-2015
Average reduction: 50%

12. Plans 2019-2020 Average reduction: ?%
Evaluation of samples after the trend exposure (8-years)
Comparison corrosion and
Average reduction: ?%

13. Measurements for evaluation of chloride deposition (wet candle)
Plans
Measurements for evaluation of chloride deposition (wet candle)

14. Plans
Measurements for evaluation of chloride deposition (wet candle)
2 Test sites: chloride measurements (3 x 1-months) vs (3-months)

15. THANK YOU…