Welding Copper Pipe With Tig

As a general rule of thumb copper under 2 mm should have argon gas and up to 160 a applied.

Welding copper pipe with tig. Oxygen free copper doesn t have this problem and it takes tig welds beautifully. Use the proper gas ratio. Some grades of copper have oxygen dissolved in the metal. Buy the right copper.

I am an experienced 6g pipe welder with certs in both stick and tig. If you are tig welding copper buy oxygen free copper. 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. 152 4 to 304 8 mm away from the weld.

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 pipes 22 x 1 mm. Do you know of any videos books cd s on how to tig cooper that is 1 1 2 thick. In the past we have.

If the copper is thicker you will need to adjust the gas and amp by applying helium and upping the. 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. Https goo gl frdnss in this episode of tig time wyatt shows you how to weld copper. Whereas mig welding requires a preheating of 10 100 c and up to 240 amps of power with argon as its shielding gas.

It is often necessary to raise the temperature level of the sheet in an area of 6 0 to 12 0 in.