The EASIEST Way To Stick Weld Square Tubing

Thin-wall square tubing + stick can turn into swiss cheese fast. Watch Austin compare 3/32 7018, 3/32 6013, and a 1/16″ “easy-strike” rod on 16-ga with the Lincoln Sprinter 180Si. We test amperage, downhill vs uphill, patching blow-through, and when to step up to 1/8″ wall so your 7018 finally shines.
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Question - What is your advice for stick welding thin wall square tubing?
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Time Codes
00:00 Intro : Why Stick Welding Thin-Wall Square Tubing Is Tough
00:32 Gear Setup : Lincoln Sprinter 180Si, Outlaw Leather Stinger & Adapters
01:32 Electrode Overview : 3/32 7018 vs 3/32 6013 vs 1/16″ Easy-Strike
02:20 7018 @ 75A on 16-ga : Burn-Through Demo
03:10 7018 @ 60A : Can Turning Down Save It? (Relight/Slag Issues)
03:45 Patch Trick : De-Fluxed Electrode as Filler to Fix Holes
04:35 Switch to 6013 @ 60A : Shallow-Penetration Strategy
05:20 1/16″ Rod @ ~40A : The Thin-Wall Winner
06:20 Fit-Up & Heat Placement : Butt, Inside Corner, Outside Corner
07:29 Downhill vs Uphill on Thin Wall : What Actually Works
08:23 Easy-Strike Downhill : Cleaner Control & Fusion
09:39 Don’t Go Uphill on Thin Gauge : Here’s Why
10:40 Design Tip : Step Up to 1/8″ Wall When You Can
11:04 7018 @ 80A on 1/8″ Wall : Horizontal Butt Weld
11:34 Vertical 7018 on Thick Wall : ~69A Sweet Spot
12:02 Downhill Outside Corner : Fast, Clean Technique
12:25 Bridging Gaps : Sacrificial Filler Rod Assist
13:25 Key Takeaways : Electrode Size Base Metal & Setup Recap
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