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Old 11-26-2013, 10:46 PM   #3768
KTM640Dakar OP
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Joined: Nov 2004
Location: Oxbow Lake
Oddometer: 2,120
Originally Posted by Danjal View Post
Receivers out of tubing and bolts out of round stock. I need to make and weld 2 nuts on it to hold a top picatinny rail. The tube is 6-4 IIRC. ..060". I'll get the actual specs later if it's that important.

You can TIG weld Titanium. Use a DC negative torch and keep the part under argon until the part cools below 500degrees F. You can also use a glovebox with argon flooded in it if the part is really critical.

Is this for a 50 cal? I have a customer that makes titanium recievers for 50 caliber machine guns for the US gov. Cool stuff.
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