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Knowledge center by tags

All articles using the tag "Heliarc".

How does welding affect the HAZ of the weld?

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?

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



Should I use 4043 or 5356 filler alloy?

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

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



What is the best filler alloy for 5083 base alloy?

I have a situation were my customer is experiencing failures in their guided bend tests. The Base Metal is 5083 and the filler alloy is ER5556. The test plate is a 5mm thick single groove weld with a 70 degree included angle, no root gap and a 2mm nose. The weld is back gouged and welded from the second side. We are not sure if we are using the correct filler wire; our welding equipment supplier has suggested that we change to an ER5356 type wire. What is your professional advice on this issue?

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



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