6G 2 inch schedule 80 ua-41 pipe welding test with 309 filler for root along with argon purge.
1/8" gap and 3/32 filler rod for root using keyhole dip technique.
both freehand and cup walking techniques are used.
6G 2 inch sched 80 ER309L Root pass with argon purge
This welding test as also known as the ua41 and this video demonstrates the root pass with argon purge and 309 filler using the dip keyhole technique.
a 1/8 gap with a 3/32 filler was useed
TIG Welding Aluminum Practice "The Aluminum Drill"
This video shows lots of beads during an exercise I call "the aluminum drill".
In sports, there are drills designed to improve certain skills.
Because Aluminum requires so much more feeding of the wire than steel, this drill will help that filler wire feeding hand to get up to speed.
In this video ... you will see Tips and Techniques used for TIG Welding a Stainless Steel 16ga Butt Joint with argon shielding on the penetration side. Fully penetrated stainless steel needs argon shielding on penetration side in order to maintain properties
The monster coupon is a fairly common test given because it qualifies for a greater range of diameters and thickness. This video shows some techniques for the stick fill and cap and body positioning tips.