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Re: Re: How Plating / Finish is called out on drawings


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Posted By<" ">Jim Disharoon on February 12, 2002 at 17:06:09:

In Reply to: Re: How Plating / Finish is called out on drawings posted byK. Bramble on February 05, 2002 at 08:53:10:

Recommend, if your requirement has Zinc plating as the electroplate type: ASTM-B-633

Usually specified like:
ASTM-B-633 Type II, Class 3
or in lieu of 'Class', you'll find in the ASTM-B-633, a 'service class', eg. SC3 or often SC5;
which specify thickness.
By the way the Type II is the Yellow chromate conversion, that provides a greater corrosion resistance.

This spec and call out is most typically seen on fasteners and stamping products.

Cheers,
Jim Disharoon
TranSpec Fasteners



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