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Hi im planning to build a trike, i have used mild steel cd 32mm dia cfs 2.4mm wall thickness tubing in the pass but want to try some thing a bit different, i was looking at t45 or even aluminium tubing but as t45 is out of my price range can any one please tell me which grade of aluminium is suitable for car/bike chassis and suspension
There is a reason that NHRA doesn't allow aluminum for frame and suspensions on any race cars that run with them. It has a nasty habit of failing when you need it not to. I'd reconsider using aluminum for the reason "just to be different". Try stainless or powder coat your steel parts.