Any Ti-welders around? Input needed...

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4/2/2011 6:48 PM
Edited Date/Time: 4/2/2011 6:49 PM

So I have this PC Ti muffler that has a crack in bracket (and someone has obviously already tried to fix it) and I have a dear friend that's a welder, but he has no experience in Ti. He mentioned that it might work with stainless steel material, but I have to find out. Or you need titanium for sure? I assume you can buy the right material in selected stores?

Is this possible? Some say you could send it to PC for repair, but if this is no major biggie we might give it a shot.
[LINK TO IMAGE]
Input?

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4/2/2011 6:51 PM

I'm not a welder but in my opinion the pipe needs to be sent in and that whole bracket needs replaced or that is going to be a continuous problem.

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4/2/2011 7:08 PM

u can call procircuit and ask them what grade ti they use....any welding supply store can ge tthe correct filler rod just need to know the ti type

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4/2/2011 7:13 PM

Looks like no matter what you use to fill, the bracket is already bent and will crack again without being squared to the subframe.

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4/2/2011 7:22 PM
Edited Date/Time: 4/2/2011 7:24 PM

Ti is tricky to begin with, since it's already been "fixed" once it's going to be even weaker than it was originally. Every pro circuit pipe I've ever owned has done that. Every time it happens PC will tell you to buy a new one, and if you're lucky they'll discount it. Since you already tried to "fix" it once though they're going to tell you that you are SOL and to buy a new one.

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4/2/2011 7:28 PM

I never had a problem with PC fixing those, i had a few break on that mount and they would just fix it no charge. but i use fmf now no problems at allwink

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4/2/2011 7:47 PM
Edited Date/Time: 4/2/2011 7:49 PM

Not sure who welded it before, but that is normally what happens when Ti is welded and not shielded on both side, it makes it very brittle. Welding something like that it should be welded in a purged glove box or cabinet.

** If you can't find someone to weld it properly or get PC to fix it, make a piece to replace the part that is cracked, drill the mounting hole and 4 holes, one at each corner and just rivet it on. Use stainless everything.

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..................Man himself has become God
And laughs at his destruction
In which we trust a secret government
Is now in total collapse.........................

4/2/2011 7:56 PM

Tnx for the input lads, I will try to get a freebee from PC to start with, if that fails, I will ask what grade they use, and "I" will weld it again, and when it cracks again (if it does) I will try munsch option!

Seems I'm covered and luckily I have an FMF 4.1 Ti-back-up system! smile

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4/2/2011 7:56 PM

munsch121 wrote:

Not sure who welded it before, but that is normally what happens when Ti is welded and not shielded on both side, it makes it very brittle. Welding something like that it should be welded in a purged glove box or cabinet.

** If you can't find someone to weld it properly or get PC to fix it, make a piece to replace the part that is cracked, drill the mounting hole and 4 holes, one at each corner and just rivet it on. Use stainless everything.

Send it to FusionOneUSA.com ... we perform Ti-weld repairs like that everday, guaranteed not to crack again.

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4/2/2011 8:00 PM

Joko wrote:

Send it to FusionOneUSA.com ... we perform Ti-weld repairs like that everday, guaranteed not to crack again.

And how much would that cost me?

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4/2/2011 8:12 PM

munsch121 wrote:

Not sure who welded it before, but that is normally what happens when Ti is welded and not shielded on both side, it makes it very brittle. Welding something like that it should be welded in a purged glove box or cabinet.

** If you can't find someone to weld it properly or get PC to fix it, make a piece to replace the part that is cracked, drill the mounting hole and 4 holes, one at each corner and just rivet it on. Use stainless everything.

Joko wrote:

Send it to FusionOneUSA.com ... we perform Ti-weld repairs like that everday, guaranteed not to crack again.

DrSweden wrote:

And how much would that cost me?

$25

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4/2/2011 8:47 PM

Joko wrote:

$25

Impressive! I will contact you guys. Tnx for shimming in!!!

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4/2/2011 8:58 PM

DrSweden wrote:

And how much would that cost me?

Joko wrote:

$25

DrSweden wrote:

Impressive! I will contact you guys. Tnx for shimming in!!!

I know I shouldn't but

it's Chiming in (like ringing a bell or Chime) A shim is something you install to take up space.

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4/2/2011 10:02 PM

DrSweden wrote:

And how much would that cost me?

Joko wrote:

$25

DrSweden wrote:

Impressive! I will contact you guys. Tnx for shimming in!!!

25 is a bargain!

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4/3/2011 7:24 AM

If you want it done correctly send it to a pro. Problem solved.

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4/3/2011 10:29 AM

Paging Stilwelding, Bruce will know!

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4/3/2011 10:32 AM

Ti needs to be welded in an oxygen free argon tent, or the weld will be brittle.

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4/3/2011 10:35 AM

Send it in to pro circuit they fix pipes all the time. They reswedge the ends so they fits good again for 25 bucks. I had something similar happen and they just rewelded a new one on at no charge. the mid pipe wasnt fitting tight to the can so they swedged it and fixed the weld while it was in. Id for sure send to back and let those guys fix it.

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4/3/2011 10:48 AM

You just need a steady purge of argon front and back......

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4/3/2011 10:49 AM

JB weld. Done deal. wink

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4/3/2011 11:01 AM

DownSouth wrote:

JB weld. Done deal. wink

lol......that stuff works pretty good on radiators lol

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4/3/2011 11:23 AM

I have not read all these posts but I have welded Ti. You have to have ti filler rod and you tig weld it.. Large cup and go slow a little bit at a time. If that weld is not ti it has to be ground out.. That joint you will need to rig up a jig to purge the back side of the joint. Good luck. If your guy does not understand then send it out.

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4/3/2011 11:55 AM

just for thought ...try bringing that in to your local vocational school . Some of the students in there will be pretty good with a tig machine and be able to do it for a large pizza or something like that.....its great practice for the students and they are set up to do most anything ......smile

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4/3/2011 11:57 AM

looking at that weld the first thing I would do is grind out the weld, it sucks. You can weld Ti just fine if its clean, extremely clean.

Use a Ti rod, anything else will break with your fingers. Use the purest Argon available and keep the temp under 775.

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4/3/2011 12:16 PM

Just send it back. The mount bracket on my Ti PC can cracked in three spots. I sent it back and they repaired it as well as refurbished the can and repacked it for shipping costs. Not sure if that is standard operating procedure but I was happily surprised.

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Preparation+Opportunity=Luck.

4/3/2011 7:20 PM
Edited Date/Time: 4/3/2011 7:26 PM

500guy wrote:

I know I shouldn't but

it's Chiming in (like ringing a bell or Chime) A shim is something you install to take up space.

Tnx, and no worries, I'm glad you point that out for me. If not, how would I learn?

Chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming, chiming.

Again, tnx people for the input. PC will be my first attempt, and if that fails $ 25 plus shipping is a bargain.

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4/3/2011 9:09 PM

You pissed Doc ? (in some countries that is drunk) little motocon guy here.

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"Cheezus"

4/3/2011 9:58 PM
Edited Date/Time: 4/4/2011 6:39 AM

friday10 wrote:

Paging Stilwelding, Bruce will know!

Friday10, I'll leave it to the others on here, but I will say UpTite, that Titanium's melting point is in the 1650 C / 3000 F range. I don't know if 775c C or F would even discolor Ti. I used to weld Ti aircraft pressure vessels on a regular basis (as a lot of people know, welding is just a lot of practice and if you're lucky to get it, accurate knowledge) Just sayin'.

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4/3/2011 10:00 PM

If you have a spare Ti muffler laying around just take the baffle out and cut it into strips to use as filler, works great. Just have somebody trail you on the back side with a purge line and you will be fine.

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4/3/2011 10:23 PM

friday10 wrote:

Paging Stilwelding, Bruce will know!

stillwelding wrote:

Friday10, I'll leave it to the others on here, but I will say UpTite, that Titanium's melting point is in the 1650 C / 3000 F range. I don't know if 775c C or F would even discolor Ti. I used to weld Ti aircraft pressure vessels on a regular basis (as a lot of people know, welding is just a lot of practice and if you're lucky to get it, accurate knowledge) Just sayin'.

That is a perfect fillet weld smile

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