Zinc-coated steel (Downloadable version)
THIS PUBLICATION HAS BEEN ARCHIVED.
Whilst this publication can still be purchased some of the information in it has been superseded by more recent research and standards. The BRE Group does not accept any responsibility whatsoever for any loss or damage, including - without limitation - indirect or consequential loss or damage arising from use, or loss of use, of data or profits arising out of, or in connection with, the use of this document.
Zinc corrodes slowly relative to steel; in most atmospheres and many waters, the average rate of attack is about one twenty-fifth that of steel. This Digest explains how zinc coating protects steel galvanically and provides sacrificial protection.
Please note that this is a scanned copy of a paper originally published in 1986, so the text is not as clear as in documents created as pdf files.