I have welded Titanium, I've also designed gass shields to do this without ox. the material. This is the key, get some argon on the back of the piece. What are you welding anyway? I worked in an FAA repair station when we did this, the piece was .125 thick and 36" dia.<br>
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<A HREF="mailto:dandrews@ferrycap.com">dandrews@ferrycap.com</A>