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Home/Sitemap · Search · you are here: Forum =>letter 25743 Why are there pitting holes on hard chrome plating?+++ Why is there frequent pitting holes at the piston ring grooves and why are cracks visible on hard chrome plating? Is there any way to stop these problems? Mislan Rafen +++ Because you're not doing it right :-) Chrome plating is unfortunately a difficult process where a hundred different things can go wrong, and a hundred different things must be exactly right before you will get satisfactory plating, Mr. Rafen. So it is really difficult to help from this distance with a vaguely described problem and situation. But one hard chrome plating expert once addressed a trouble-shooting forum by saying essentially this: "Step 1: go to every toolbox, locker, and junk drawer in the shop and throw out every scrap of old emery cloth and sandpaper before proceeding to step 2".
+++ I must say I like Mr. Mooney's answer :) Mr. Mislan, The current, trivalent chrome contaminents, and sulphate ratio to the chrome, temperature. Also control the hardness ofy the part you like to hard chrome. I would also recomendend a book about trouble shooting problems. Regards,
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