The peculiarly aggressive corrosion of climbing anchors on certain sea cliffs can be attributed to sulphate reducing bacteria (SRB), but what of the distinction we see between 304 and 316 grades of steel? Introduction: Many years ago, when the crags of Tonsai/Railay began eating 304 stainless steel anchors it was felt that swapping over to […]
Tag: 304SS_vs_316SS
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Is this a 316 failure?
Hmm! it appears we have A4 (316) SS failing on a sulphate crag? It’s time to measure stuff. Many thanks to Simon Alden for the sample and photographs. This story comes from the sea cliffs of Malta. Whilst I don’t have significant geochemical sampling for Malta, I have every reason to believe the Mediterranean location […]