Check the rules first. I believe FSAE requires round alloy steel tube frames.
xxChrisxx wrote:riff_raff wrote:Above
+1 to this
They have to be space frame, as far as I can remember you can't have load beading panels apart from the floor.
IF you have a large budget 4130 Chrome moly steel will be the weapon of choice.
If you only have a small budget, its mild steel for you.
FSAE rules commitee wrote:B3.5 Alternative Steel Tubing [...]
Note 1: All steel is treated equally - there is no allowance for alloy steel tubing, e.g. SAE 4310, to have a thinner wall thickness than that used with mild steel
bassimon wrote:sorry, i disagree. The frame of a FSAE car has not necessarily to be a spaceframe and you can use shearpanels in a spaceframe where you want to. Of course you have to do an approved SEF if you substitute part of the side impact structure for example.
Apart from steel spaceframes have seen FSAE cars with carbon fibre monocoques, aluminum monocoques, glass fibre monocoques and even carbon fibre spaceframes. However, i would strongly advise every new team to start with a steel spaceframe.
xxChrisxx wrote:It's just the de facto standard steel for motorsport related activities so ive never bothered even looking at other steels.
Chrome moly is a low carbon steel meaning it welds really well. But it can also be heat treated to give a very hard surface finish that makis it very wear resistant.
4130 is bloody expensive though, you need to weigth that up against your specific needs.
Tbh for something like FSAE you can get away with cheap mild steel.
sticky667 wrote:xxChrisxx wrote:Actually Chrome moly welds very well but weakens from it's original hardness unless it's re-treated after welding. Mild steel would be the better choice, and it's cheaper.
p4_prateek wrote:Hi guys,
I'm building the chassis for a Formula car for FSAE. Can u please suggest some materials that are both light and strong enough apart from carbon fibre.
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