Tag Archives: Tantalum fastners for hydrochloric acid resistance

Q: We have on application that utilizes an HCl tank and are currently using hastelloy C276 bolts but they are not sufficient. Should we try tantalum fasteners or anther material like PEEK? The bolts are for a flanged valves connections  concentration is 36%, temperature 45ºC. A: Though the HCl is … Continue reading

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