YOUNGBLOOD13
Well-Known Member
- Joined
- Mar 16, 2016
- Location
- Clayton, NC
Building some links, 1020 DOM 1.500 x .120 wall, about 20" tube length. Should I drill a hole and plug weld? Is Mig suitable here?
Link Fab question
- Thread starter YOUNGBLOOD13
- Start date
- Joined
- Mar 13, 2005
- Location
- Raleigh, NC
Yes, plug weld and weld the butt joint. Thread a joint or bolt into the bung to prevent distortion of the threads.
120 wall is too thin for anything that might touch the ground, probably fine for uppers or car links.
Mac5005
Well-Known Member
- Joined
- Oct 19, 2005
- Location
- Rocky Mount
Cover the joint or bolt in antiseize before welding.
Weld it up, quickly unscrew joint or bolt, drop the joint into water to cool.
Definitely drill and plug weld. Don’t drill thru both sides of tubing at same location. Drill them at different distances from the end of the tube.
Weld it up, quickly unscrew joint or bolt, drop the joint into water to cool.
Definitely drill and plug weld. Don’t drill thru both sides of tubing at same location. Drill them at different distances from the end of the tube.
a_kelley
mechanical fixer
- Joined
- Jan 26, 2010
- Location
- Rutherfordton
Why? Is that to reduce the stress in the tube in a straight line for the plug welds?
WARRIORWELDING
Owner opperator Of WarriorWelding LLC.
- Joined
- Jan 6, 2008
- Location
- Chillin, Hwy 64 Mocksville NC
I prefer gtaw...or smaw. If I can't roll it out I do it in horizontal.
- Joined
- Mar 13, 2005
- Location
- Raleigh, NC
Yeah, to reduce the possibility of the tube tearing between the plug welds.
Mac5005
Well-Known Member
- Joined
- Oct 19, 2005
- Location
- Rocky Mount
Yep, the goal to create the most non linear heat affected zone boundary.
If you don’t plug weld, the HAZ is an even distance from the end of the tube, all the way around.
This creates a stress riser that can lead to the tube shearing at the haz boundary.
Plug welds move the HAZ to differing areas around the tube. (Think more like a sine wave around the tube, vs a straight line around the tube)
- Joined
- Mar 13, 2005
- Location
- Raleigh, NC
It's not a theoretical thing, either. I've seen the bungs tear right out.
Croatan_Kid
How's your hammer hangin'?
- Joined
- Nov 4, 2007
- Location
- New Bern
Nobody likes it when their bung hole gets torn out.....
Scooter402
Ruffling feathers and shaking trees
- Joined
- Feb 4, 2009
- Location
- Livin in an Amish Paradise
Beat me to it.
Monday morning:
Him: "So how was the weekend on the trails?"
Me: "Was going great until I ripped out my bung hole..."
Him: ….awkward silence..."wow, um... I've...uh, ...gotta go stand over here now."
i-485Beat me to it.
Monday morning:
Him: "So how was the weekend on the trails?"
Me: "Was going great until I ripped out my bung hole..."
Him: ….awkward silence..."wow, um... I've...uh, ...gotta go stand over here now."
Then to other co-worker "man them offroad fellows know how to partaaaay"!!!