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We have a custom “wrought iron” fence that was hot dipped after the panels were assembeled. The finals have some clumping from the galvinization & the owner does not like the look. Any ideas on how to remove it?
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I work with hot dip galvanizers regularly, and have found that drips, runs, and filled holes are the norm. This process is a "rough & ready" protection and does not lend itself to cosmetic appearances.
It is compounded these days by the recycled steel, which has some elements in it that cause the zinc to alloy heavily onto the steel, adding to the appearance problem. And, as the zinc erodes, you will experience red staining as the alloyed iron starts to oxidize. From a protection standpoint, the steel is still fine. Unfortunately, it LOOKS rusted.
That said, your only alternatives are to: 1. Go back to the vendor and ask him to redip it, this time taking care to shake off all the excess zinc; or 2. grind the excess off.
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We have a custom "wrought iron" fence that was hot dipped after the panels were assembeled. The finals have some clumping from the galvinization & the owner does not like the look. Any ideas on how to remove it?