Welding Copper Pipe With Tig

Tig welding copper pipes 22 x 1 mm.

Welding copper pipe with tig.

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. Depending on if you are using tig tungsten inert gas or mig metal inert gas and the thickness of your copper you will need to adjust the ratio of your gas and temperature. If you are tig welding copper buy oxygen free copper. The oxygen will corrode your weld bead under the heat of tig welding.

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. As a general rule of thumb copper under 2 mm should have argon gas and up to 160 a applied. Oxygen free copper doesn t have this problem and it takes tig welds beautifully. 152 4 to 304 8 mm away from the weld.

Use the proper gas ratio. It is often necessary to raise the temperature level of the sheet in an area of 6 0 to 12 0 in. Subscribe for new videos every monday and friday. Buy the right copper.

Do you know of any videos books cd s on how to tig cooper that is 1 1 2 thick. If the copper is thicker you will need to adjust the gas and amp by applying helium and upping the. Some grades of copper have oxygen dissolved in the metal. I am an experienced 6g pipe welder with certs in both stick and tig.

Https goo gl frdnss in this episode of tig time wyatt shows you how to weld copper.