Andrzejsr
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| posted on 29/6/24 at 09:23 AM |
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Where to source profiles / oval tube / ("flat tubes" ) for wishbones ?
Hello , where can I source oval steel tube for wishbone fabrication ? I know McGill shop but seems they only have round tubes.
I am looking for sth like that :
https://www.adr-engineering.co.uk/images/shop/1285772025.jpg
TIA!
https://aswestfield.wordpress.com/
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40inches
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| posted on 29/6/24 at 10:22 AM |
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quote:
Originally posted by Andrzejsr
Hello , where can I source oval steel tube for wishbone fabrication ? I know McGill shop but seems they only have round tubes.
I am looking for sth like that :
https://www.adr-engineering.co.uk/images/shop/1285772025.jpg
TIA!
https://www.metalsupermarkets.co.uk/product/mild-steel-oval-tube-black/
https://www.themetalstore.co.uk/products/3-metre-lengths-flat-sided-oval-tube
https://www.metals4u.co.uk/materials/mild-steel/mild-steel-tube/oval-tube
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Rod Ends
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 posted on 29/6/24 at 11:10 AM |
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https://proformancemetals.co.uk/oval-wishbone-project-bs4t45-to-bs5t100-steel-tube/
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Andrzejsr
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| posted on 29/6/24 at 11:32 AM |
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Thanks for links!
https://aswestfield.wordpress.com/
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Andrzejsr
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| posted on 29/6/24 at 11:32 AM |
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Thanks for links!
https://aswestfield.wordpress.com/
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JoelP
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| posted on 30/6/24 at 12:47 PM |
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I don't really get why people use oval tube? The aero benefits are going to be outweighed by the fact that round is stronger than oval by
equivalent weight, surely? Is it just aesthetic?
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Andrzejsr
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| posted on 1/7/24 at 06:11 PM |
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In my case - its needed (oval) as round would restric wheel droop.
One more question- is the "normal" steel (235) 1,5mm wall enough for wishbone ? some people suggest me to use Cro-Mo steel (roughly 4-5
times more expensive than "mild steel" (do I assume right that mild steel it the seame as 235 type steel? As I understand its not only due
to material, but also reforming round to oval tube shape.
https://aswestfield.wordpress.com/
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loggyboy
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| posted on 1/7/24 at 07:51 PM |
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Why not elliptical?
looks even cooler, and probably more strength https://www.ovaltubesuk.com/oval-erw-mild-steel-tubes/
Mistral Motorsport
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Andrzejsr
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| posted on 2/7/24 at 08:25 PM |
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Looks nice, but again in my case , I need to weld some tubes to flat portion of "oval tube" so flat surface is good to have.
https://aswestfield.wordpress.com/
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obfripper
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| posted on 3/7/24 at 09:23 AM |
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If you're looking at profomance metals, they do t45 oval which is similar tensile strength to cro-mo(4130), but doesn't require normalising
after welding.
It is pricey, but you save on not having to have a furnace to carry out the normalising or paying someone else to do it.
Dave
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Andrzejsr
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| posted on 3/7/24 at 07:08 PM |
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Yes it is more expensive approx 33GBP vs 7GBP for 500mm lenght 30x15mm piece.
I was not aware about "normalising" , I want to order welding in specialist service, hope they know that ,will ask, thank You!
https://aswestfield.wordpress.com/
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obfripper
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| posted on 3/7/24 at 08:49 PM |
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It is not an issue with the mild steel or t45, only the chrome-molybdenum alloys like 4130 needs normalising after welding, without normalising the
chrome-molybdenum alloys are no stronger than mild steel in the heat affected zone and more likely to crack in that area.
Dave
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