Metals and corrosion
Metals and corrosion: scope, limits of use and technical checkpoints.
5 guides
-
How does the stainless steel grade affect fitting selection?
Stainless steel is a family of materials; 304, 316 and other grades do not behave the same in every environment. Fluid, chlorides, temperature, stress and connection geometry are evaluated together; the word 'stainless'…
-
Surface coatings on carbon steel fittings
On a coated carbon steel fitting, the coating is part of the resistance to the external environment; it does not replace the base material or the connection geometry. The coating type and test conditions must be evaluat…
-
Fluid compatibility of brass fittings
When selecting a brass fitting, not only machinability or price but also the alloy, fluid, temperature and the documentation requirements of the application are evaluated. The name 'brass' is not a blanket declaration o…
-
Corrosion when dissimilar metals are used together
Galvanic corrosion is a corrosion mechanism that can occur between dissimilar metals in electrical contact in a suitable electrolyte. Knowing only the names of the two metals is not enough to decide definitively whether…
-
Protecting connections in salty and humid environments
In salty and humid environments, compatibility with the internal fluid is not sufficient for hose connections. External corrosion, moisture accumulation in crevices, dissimilar metal contacts and areas hidden under prot…
Customers with an account can access all guides, terms and calculators. Sign in to see all guides