timbo Posted July 13, 2014 Share Posted July 13, 2014 A little bit cheap me thinks of Caterham to substitute stainless bolts in their component packs. Not really acceptable when u open packs and the washers are already rusting. This is my 6th Caterham and never had anything other than SS fixings. Will be asking this to be rectified toot sweet! Link to comment Share on other sites More sharing options...
Paul Deslandes Posted July 13, 2014 Share Posted July 13, 2014 Are you sure they were stainless, normally they're zinc plated. Generally stainless steel doesn't have the performance of high tensile steel and would only be used where corrosion was likely to be a real issue. I do agree though that the plated hardware shouldn't be showing any signs of corrosion 😳 Link to comment Share on other sites More sharing options...
Stationary M25 Traveller Posted July 13, 2014 Share Posted July 13, 2014 Stainless reacts against aluminium Link to comment Share on other sites More sharing options...
Area Representative Paul Richards Posted July 14, 2014 Area Representative Share Posted July 14, 2014 Quoting timbo: never had anything other than SS I don't think so. Link to comment Share on other sites More sharing options...
Member Jonathan Kay Posted July 14, 2014 Member Share Posted July 14, 2014 1 What Paul says. The use of stainless steel bits for cosmetic advantage comes up here and in the motorbike world. Have there been any consequent examples of failure? 2 Wikipedia article on Galvanic corrosion, but unfortunately it omits carbon (as in fibre not steel) from the series. Guidance from the British Stainless Steel Association that includes carbon.There will be more corrosion between aluminium and most stainless steels than between aluminium and zinc. But how big a problem is this in practice on 7s? I would guess the major determining factor is how wet and salty and for how long. Anyone seen corrosion with carbon fibre yet? 3 Please tell us what Caterham say. Jonathan Edited by - Jonathan Kay on 14 Jul 2014 08:27:58 Link to comment Share on other sites More sharing options...
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