Knowledge center by tags

All articles using the tag "TIG".

How does welding affect the HAZ of the weld?

March 26, 2014

Q - I work with aluminum-welded structures of different alloy types and designs. I also work with both heat treatable and non-heat treatable alloys. I would like to know how the arc welding of these alloys affects the strength of the heat-affected zone of the weld.

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Posted in Aluminum Welding , Tagged with GTAW, Heliarc, TIG



How Do I Weld 2024 and 7075?

March 26, 2014

I come into contact with two aluminum alloys of which I have found difficulty in obtaining information about arc welding. These alloys are 2024 and 7075. Can you provide me with information on how to weld these alloys with either the GMAW or GTAW process?

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Posted in Aluminum Welding , Tagged with GTAW, Heliarc, TIG



Is there a filler alloy that can be used to weld all aluminum base alloys?

March 26, 2014

I work in a small welding repair shop, and I am often asked to perform repair welding on aluminum structures. Sometimes the type of base alloy is known, and on other occasions, it is not. I have two questions relating to the repair of aluminum.

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Posted in Aluminum Welding , Tagged with GTAW, Heliarc, TIG



Should I use 4043 or 5356 filler alloy?

March 26, 2014

As a basic description we can say that 4043 is an aluminum filler alloy with 5% silicon added and that 5356 is an aluminum filler alloy with 5% magnesium added. There are some misconceptions within the industry that you can successfully weld any aluminum base alloy with either 4043 or 5356 filler alloy. I must start by saying that this is not the case. However, there are many common structural aluminum base alloys that can be welded with either 4043 or 5356. One such alloy is 6061.

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Posted in Aluminum Welding , Tagged with GTAW, Heliarc, TIG



The most suitable filler alloy for 6061-T6 component operating at 250 deg F

March 26, 2014

I am looking for some assistance with the selection of the most suitable filler alloy for a particular GMAW welded aluminum structure. Application: Structural component used for material handling manufactured from 6061-T6 in material thicknesses of 1/8 to 1/2 inch.

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Posted in Aluminum Welding , Tagged with GTAW, Heliarc, TIG



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