Freedom GBE 27 Posted May 13, 2015 Share Posted May 13, 2015 SS doesn't seem ideal. The carbon fibre interacts badly with SS and SS with aluminium. Has anyone used titanium? No corrosion. Reasonably strong, lightweight. Seems ideal for nuts, bolts and washers. Quote Link to post Share on other sites
1paulg 17 Posted May 13, 2015 Share Posted May 13, 2015 If using phosphoric or oxalic acid for stains on gel coat don't leave on too long and wash thoroughly after - I always give a good wax after to protect the gel coat as the acid seems to make the gel coat a little more porous after - especially if the gel coat isn't in great condition to start with ...that way you help prevent the stains re-occurring ... Quote Link to post Share on other sites
erice 732 Posted May 14, 2015 Share Posted May 14, 2015 SS doesn't seem ideal. The carbon fibre interacts badly with SS and SS with aluminium. Has anyone used titanium? No corrosion. Reasonably strong, lightweight. Seems ideal for nuts, bolts and washers. i imagine the problems with titanium alloys are cost (10 times ss), hardness, brittleness + though it doesn't corrode with carbon it does with aluminium alloys difficult to extract from it's oxide = expensive hardness = bugger to form, cut threads etc very little flex = worse tendency to fatigue and crack than ss Quote Link to post Share on other sites
wheels 543 Posted May 14, 2015 Share Posted May 14, 2015 Titanium is indeed used in many very high spec Blocks etc. It is an excellent material, corrosion free, very light and immensly strong. But as Erice says, expensive, due to it needing specialist equipment to work with it. However, that is rapidly changing now we have 3D printing in Titanium. Any part in any shape can be made from it at the push of a button. Quote Link to post Share on other sites
erice 732 Posted May 15, 2015 Share Posted May 15, 2015 like the $345 titanium victory knife etnz wore for the last cup http://www.victoryknives.nz/ Quote Link to post Share on other sites
erice 732 Posted December 22, 2015 Share Posted December 22, 2015 just back from some ss buying at anzor, east tamaki, 41 truegood impressive 1st question they asked do you want marine grade (316) SS or normal (304)? 1 mtr M6 316 threaded rod - $8.44 + gst M6 316 nuts $0.15 + gst M5 304 grub screws $0.26 + gst next time might grab a mtr of M7 threaded rod and stock up on M5,6,7 nuts and washers Quote Link to post Share on other sites
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