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Galvanized steel sheet has literally thousands of applications in modern manufacturing. Metal fabricators, regardless of the end market, recognize the value in terms of extended functional life that a thin layer of zinc can provide to steel sheet. Designers specify the exact zinc coating weight required for optimum corrosion resistance required in their application. The expected environment, required lifetime, radius of bend in the sheet all influence the ideal value of the target coating thickness.

One of our favourite guest authors, retired jeweller Calla Gold, recently wrote in her own blog that one should not buy titanium or tungsten wedding bands. After publishing this article, she received more comments than most of her other writings. If there are jewellers advising against these metals, then should manufacturers of jewellery, and those selling jewellery, continue to provide titanium and tungsten rings?

We have previously written about the need to use XRF technology to confirm or identify gold and other precious metal content in jewellery, decorative pieces, coins, and other items.