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Thread: Welding a Pro Circuit platinum pipe?

  1. #1
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    Welding a Pro Circuit platinum pipe?

    Ive just about bent my PC Platinum back straight. It has a small crack. Can a Car exhaust place weld it? Or is it to thin?

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    Quote Originally Posted by nzspokes View Post
    Ive just about bent my PC Platinum back straight. It has a small crack. Can a Car exhaust place weld it? Or is it to thin?
    maybe you should ask the exhaust place this question? . . .

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    take it to a sheet metal shop.... If it really thin a Tig welder maybe needed..
    Exhaust shops usealy only have mig welders...
    Pete

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    If it's really made from platinum, I'd sell it to a specialist metal buyer and buy something cheaper, like an Akrapovic.
    "Standing on your mother's corpse you told me that you'd wait forever." [Bryan Adams: Summer of 69]

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    Quote Originally Posted by tigertim20 View Post
    maybe you should ask the exhaust place this question? . . .
    You expect a exhaust place to know what they are doing?

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    Quote Originally Posted by Hitcher View Post
    If it's really made from platinum, I'd sell it to a specialist metal buyer and buy something cheaper, like an Akrapovic.
    I believe they are platinum coated or some such shit.

    I dont think Akrapovic would bother with a pipe for a KDX200.

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    I used to take my pipes to an engineering workshop down by the tank farm/Wynyard Quarter area. They work on ships and boats, so are usually set up to weld anything, even relatively fine work like cracks in expansion chambers.

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    Quote Originally Posted by nzspokes View Post
    I believe they are platinum coated or some such shit.

    I dont think Akrapovic would bother with a pipe for a KDX200.
    You might find it is nickel plated, using a platinum electrode or something like that. Either way, agree with TT's advice, go ask a place or two (and take the pipe with you); unless it has worn a lot, the pipe itself will be of weldable thickness for someone with the right gear/expertise.
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    I'm a mech engineer and do a bit of MIG and TIG welding myself.
    You cannot MIG weld a 2 stroke pipe, it needs to be TIG welded.

    Best place would be (as people have already mentioned) a fabrication shop, preferably a crowd that deals in stainless and aluminium fabrication.
    If its just a crack, they will be able to autagenous weld it (no filler rod reqd), which basically melts the base metal to form a clean weld.
    If its a big crack then it needs filler rod, remind them to seal off the ends and full the pipe with shielding gas so you don't get 'sugar' (oxidization) on the inside of the weld/pipe.
    But it they know what they are doing, they will do this anyway.
    Something else worth doing is getting a piece of stainless approximately the same thickness and dialing in the welder on the scrap beforehand.
    But again, if they are really experienced they wont need to do this and will know what settings to use.

    The beauty of TIG is that you can autagenous weld almost any metal, and using filler rod you can weld a lot of metals this way too.


    Cheers

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    Quote Originally Posted by nzspokes View Post
    Ive just about bent my PC Platinum back straight. It has a small crack. Can a Car exhaust place weld it? Or is it to thin?
    Its just 1mm mild steel plated, can weld it with mig, tig or gas, just clean off the plating around the crack with a flapper wheel.
    Purge the pipe if you can be bothered.
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