Tig Welding Copper Pipe

For example in welding copper with thickness of 5mm 0 196 inch tig welding requires a preheating of 50 c as well as shielding gas of argon helium and mix up to 300 amps of power.

Tig welding copper pipe.

If the copper is thicker you will need to adjust the gas and amp by applying helium and upping the. On a large firewater system for an offshore platform orbital welding was able to reduce welding time to one half that of manual welding and cut reject rate from 15 to 5 7 the joint design tolerances must be tightly controlled. Whereas mig welding requires a preheating of 10 100 c and up to 240 amps of power with argon as its shielding gas. If you are tig welding copper buy oxygen free copper.

Oxygen free copper doesn t have this problem and it takes tig welds beautifully. Automatic welding cu ni with orbital pipe welding equipment offers higher production rates and fewer weld defects. Do you know of any videos books cd s on how to tig cooper that is 1 1 2 thick. This was done using a tig welder with silicon bronze rod.

Below is a picture of a successful copper pipe to stainless steel tri clamp ferrule weld. Use the proper gas ratio. I am an experienced 6g pipe welder with certs in both stick and tig. Subscribe for new videos every monday and friday.

Https goo gl frdnss why would you weld copper pipes versus soldering copper pipes pizzawelder well p. Now technically this would be classified as tig brazing because the stainless steel has a higher melting point then the silicon bronze filler rod. In welding copper sheets the heat is conducted away from the welding zone so rapidly that it is difficult to bring the temperature up to the fusion point. The oxygen will corrode your weld bead under the heat of tig welding.

Some grades of copper have oxygen dissolved in the metal. 152 4 to 304 8 mm away from the weld. Buy the right copper.