stainless and cor-ten steels
06-22-2009, 02:44 PM
|stainless and cor-ten steels
I'm an architect with a query - I hope this is ok. Are there any bi-metallic issues with using stainless steel and cor-ten steel together? As they are both steel I would have thought not but I thought I'd check to be sure. The situation is stainless steel lettering mounted onto cor-ten as external signage.
06-22-2009, 07:22 PM
|RE: stainless and cor-ten steels
to the Surface Engineering Forum.
I'm not sure if there are any significant bi-metallic corrosion issues between stainless steel and weathering steels. I know weathering steels basically rely on being uncoated and forming a stable rust/patina protective surface. Interference with the formation/ageing of a stable protective film can render it being no better than normal steel i.e. pointless choosing cor-ten if you plan to paint it.
I think a more important consideration will be how you plan to attach the stainless steel lettering. Avoid forming any crevices where moisture and dirt can build-up.
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