How To Tig Weld Aluminum Tubing

Welding aluminum requires a thorough understanding of the tig welding process and also requires a tig torch. By TIG welding the aluminum to aluminum side first on the other hand you effectively increase the amount of.

How To Tig Weld Stainless Steel 304 Demo Using Lakoni Mma Macine Inverter 120a Youtube Welding Aluminum Welding Tig Welding Stainless Steel

As discussed above aluminum melts at a much lower temperature than steel so if you were to TIG weld the stainless steel part to the stainless steel side of the insert first this could easily overheat the aluminum side of the insert.

How to tig weld aluminum tubing. There is a rule of thumb that one amp per one thousandths of thickness up to around 125 will get you pretty close. Lift the rod and move the torch forward or back depending on which way you are welding and repeat the rod touch to the joint. Learn how to TIG Weld.

Laser beam and electron beam welding. Then fit the two pieces of pipe together with no root gap and tack-weld them using GTAW and the appropriate filler wire 4043 or 5356 filler metal can be used to weld most pipe. We cover basics for beginners who want to TIG wel.

For the 14 6mm lap joint shown in the video the mig joint took 45 secondsthe tig weld took 60 seconds. I use 18 diameter for most aluminum welding. But 15 amps per thousandths along with a.

This video is sponsored by LincolnElectric to demonstrate the TIG 200 Square Wave. I prefer to use a sharp tip on the tungsten and use 15 gold lanthanated electrodes. Keep the stickout from the ceramic cup to perhaps 14 unless you are using a gas lens.

Get the torch lit and have your welding rod ready. But as it heats up you back off to much less than that. Clean your aluminum remove any oxide and file the edges that will be joined Avoid pulling while weldinginstead push at a 10 to 15 degree angle Use multiple pass straight beads to improve the overall appearance of the weld and help to avoid defects Use a heat sink which will absorb extra heat and allow you to weld slower.

How to tig weld aluminum tubing. Well for aluminum you might need as much as 15 amps per thou. The welding technique is fairly simple.

I remember reading another article a few years ago about a tuna tower contractor that was using Dynasty 300s with a trigger switch on the torch. Touch the welding rod to the material so as to just leave enough aluminum on the joint. I found this link to a Miller article about a welding shop that uses the Miller Dynasty 350 for aluminum anodized tubing welds.

This usually is extruded 6XXX alloy so check the contract documents to determine the correct filler metal. Be sure the electrode is ground with the grind marks axially. The trick to a lasting weld on aluminum tubing is all in the technique.

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