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#1
05-04-2011, 07:47 PM
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Does all chrome moly tubing need to be Tig'd?
Looking at a mounting kit for a fiberglass front end on my current project car. Problem is it is made out of chrome moly. Don't have the size/gauge of the tubing, but it is smaller than roll bar stuff.
Thanks, Russ
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RIP Mallory, we miss you. 
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#2
05-04-2011, 07:51 PM
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Re: Does all chrome moly tubing need to be Tig'd?
Tig is your best bet but Mig can be used...
No Fluxcore..  ...zap!
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 I am not completely insane.. Some parts are missing  I have figured out that keeping everyone happy is nearly impossible but pissing people off is easy and fun.
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#3
05-04-2011, 10:03 PM
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Re: Does all chrome moly tubing need to be Tig'd?
x2 what zapster said
Also oxy-acetylene is often used for building aircraft with c-m tubing..
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"The reason we are here is that we are not all there" SA 200 Idealarc 250 AC DC MM200 MM251 30a Spoolgun & WC24 Control Square Wave Tig 175 Invertec V350 Pro SC-32 CS 12 Wire Feeder Oxweld/Purox O/A ArcAir gouging torch Need Plasma
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#4
05-05-2011, 11:29 AM
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Re: Does all chrome moly tubing need to be Tig'd?
I would not pass up the opprtunity to TIG some 4130. Chromoly welds so nice I'd tig it just for fun. But, no you you don't have to tig it.
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Ian Tanner Kawasaki KX450f and many other fine tools Last edited by fortyonethirty; 05-05-2011 at 11:36 AM.
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#5
05-05-2011, 01:24 PM
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Re: Does all chrome moly tubing need to be Tig'd?
How thin IS the tubing?
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AWS certified welding inspector AWS certified welder 44 years experience. Miller 110V 140 MIG Miller Elite auto sensing helmet.
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#6
05-05-2011, 02:24 PM
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Re: Does all chrome moly tubing need to be Tig'd?
I welded lots of 4130 high pressure pipe for oil field use with MIG and Spray Arc. Pre heat to about 500 and use ER70S wire.
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