The materials were subject to a contact time of 14 days in each
case (continuous stress conditions).
| Material |
Uniform loss in
weight [mg/(day·m²)]
|
Loss in thickness
[mm/year]
|
Assessment according
to DIN 50905
|
| Gr. 304
S 15 |
1.8
|
0.0008
|
very resistant |
| Gr. 316 S 16 |
> 1.0
|
> 0.00001
|
very resistant |
| Gr. 321 S 12 |
> 1.0
|
> 0.00001
|
very resistant |
| Gr. 320 S 17 |
> 1.0
|
> 0.00001
|
very resistant |
| Aluminum 99.5 |
10.7
|
0.0013
|
very resistant in practice |
| Al-Mg-Si 1,0 |
82.1
|
0.01
|
resistant in practice |
| Copper |
591.1
|
0.024
|
sufficient resistant
in practice |
Brass
|
385.7
|
0.017
|
sufficient resistant
in practice |
| Tin |
3.6
|
0.00017
|
very resistant |
| Zinc |
3683.9
|
0.19
|
limitedly resistant in
practice |
| Iron, ST 1.0037 |
4912.5
|
0.23
|
not resistant |
| Chrome plated |
23.2
|
0.0012
|
very resistant in practice |
| Nickel plated |
1.8
|
0.00007
|
very resistant |
