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How to anodize steel

How to anodize steel

How to anodize steel

Dear all,
I was preparing metal sheet product using galvanized sheet but clients want it to be a material that has a color of some how rainbow (material appearance attached). When i search the web it appear to be anodized steel (i guess).

so please help me if the attached material is really anodized steel


how to anodize steel at home

RE: How to anodize steel

Thank you! you guide me perhaps to the correct direction. i was thinking it the result of anodizing for example in hot potassium hydroxide solution

RE: How to anodize steel

Thats a "zinc and yellow chromate" plating..
See ASTM B633

In general anodizing is only for aluminum.

RE: How to anodize steel

Dear mcgyvr I have seen in youtube that a guy saying and anodizing steel in hot potassium hydroxide and resulting a reddish color plate (color depend on the length of process and other parameters what do you think about this

RE: How to anodize steel

You are describing a conversion coating more commonly known as black oxide. Perform an Internet search using those two words and you will find more information.

RE: How to anodize steel

Thank you Corypad and all. I am getting more and more information about coating. I have interest and some experimental trial on coating

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