I’m trying to weld some very thick aluminum mold plate 2016-12-22 10:13:34

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I’m confused about various aluminum filler metal strengths. 2016-12-22 10:13:03

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I’ve seen various references to aluminum-scandium (AlSc) alloys. Apparently, the addition of scandium makes aluminum alloys stronger. But I never see these alloys used in common welded fabrication. Why? Can I weld them? 2016-12-22 10:11:29

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In many cases, when I qualify welding procedure specifications (WPS) for steel, I am required to perform testing of Charpy V-notch (CVN) samples, but I’m never required to test Charpy samples for aluminum welding procedures. Why not? 2016-12-22 10:10:56

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What is the best way to repair cracks? Is it better to use GTAW or GMAW? 2016-12-22 10:09:18

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Most 6061-T6 is welded using 4043 filler wire. If you heat-treat the weld, will the 4043 get stronger? What happens if I use 4643 filler instead of 4043? 2016-12-22 10:08:23

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Three years ago I bought 6061-T4 extrusions for a project. 2016-12-22 10:08:04

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My company welds 6063 tubing using AC gas tungsten arc welding (GTAW) with 4043 filler metal and pure argon shielding gas. Appearance is important. How can we eliminate, or at least minimize, the oxidized area on each side of the weld? 2016-12-22 10:06:32

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When I run out of aluminum gas metal arc welding (GMAW) wire and buy a different brand, it doesn’t seem to weld as smoothly. Is there that much of a quality difference among brands? 2016-12-22 10:04:58

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What’s the proper method to clean aluminum parts before welding? 2016-12-22 10:04:36

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