Anyone doing Type II Titanium Anodizing? (also known as ASM 2488)

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Mar 12, 2013
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Hi everyone. I'm new to the forum!

I am curious if anyone has any information on doing Type II Titanium Anodizing. Type II anodizing produces a dark grey color and creates an anti-galling surface. I'm working on a ball bearing folder and thought this coating might eliminate the need for hardened steel washers in the titanium bearing pocket. I also really like the look of the dark grey color it creates.

From what I have been able to gather online is that the SAE own the rights to the ASM 2488 specification. I guess that means I'll have to buy the document from the SAE (Around $50). The process doesn't seem that much different from Type III Ti Anodizing other than letting the anodizing layer build up until the current essentially drops to zero. I did see some videos online but they leave out the details in the process.

What I'm going for is a dark grey scale color similar to the Sebenza. Other than Type II anodizing, how can you produce this kind of finish.

Thanks
 
No one is doing this kind of anodizing? Does anyone know of another resource or forum for asking this question?

Thanks
 
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