Nickel plated cases...

Plating brass

After the brass is formed or drawn in this case it will be degreased. A quick rinse in a caustic bath, water to remove the bulk of the caustic. "Britedipped" in chromic acid rinsed again to remove the chromic acid. Bright nickel plating uses an electrolyte that is mostly nitric acid with other chemicals that enhance the finish. Tumbled in a plating barrel for the amount of time decided by engineering to achieve the desired thickness.
I did electro-plating for an electronic manufacturer for five years.
 
So, let me ask, do you believe that all of those processes combined can cause damage to the alloy, or structure? I think so, based on my observation of pickled brass weakness, but I'm not going to commit to it as a fact because I have never scientifically set down research plans for shooting cycles until observing failure.
 
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