MikeAqua wrote: Re-galved trailers: De-register the old plate, take the 'shiny' new trailer to the WOF station register as new and get a 3 year WOF. |
Wind Up wrote: Alloy lacks ductility therefore cracks due to the work hardening caused by the constant flexing a trailer is subject to. Steel is far more ductile hence lack of problems with cracking. Get your galvaniser to apply at least 600 gm/m2 of zinc as a minimum coating weight. This will end up with closer to 1000 gm/m2 .It wont cost much more and a heavy coating gives longer life - look at the old trailers that show no corrosion. To eliminate cracking in alloy you need to go to much heavier sections and therefore negate any weight savings plus alloy trailers are more expensive anyhow. |
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