Corrosion resistant stainless steel and method of making same

Details Corrosion resistant stainless steel and method of making same Corrosion resistant stainless steel and method of making same

C - Chemistry, Metallurgy

23

C

C23C 2/08 (2006.01) C23C 22/06 (2006.01)

Patent

CA 2224055

A colored, corrosion resistant architectural material having improved corrosion-resistant properties wherein the material includes stainless steel which is coated with a tin and the tin coated material is post-treated with an oxidizing solution to remove the tin coating to expose a barrier which includes an alloy of chromium, iron and tin. The barrier exhibits excellent corrosion resistance especially with respect to chlorine and has a dark grey or earth tone grey color.

Matériau de finition coloré, résistant à la corrosion. Le matériau, qui offre une meilleure résistance à la corrosion, comprend de l'acier inoxydable recouvert d'étain. Le matériau étamé est ensuite traité au moyen d'une solution oxydante pour enlever le revêtement d'étain afin d'exposer une barrière qui comprend un alliage de chrome, de fer et d'étain. La barrière offre une excellente résistance à la corrosion, tout particulièrement au chlore. Elle affiche une couleur gris foncé ou gris terreux.

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