Harsh arc with 6011

[DaveO]

The electrode charts show 6011 as DC EP and deep penetration- Mike, could you be thinking of the 6013 you tried when you say "I couldn't tell the difference between DCEN/DCEP"? 6013 is EN/EP. I'm wondering if the deep penetration of the 6011 is causing the burn through.

How thick is the wall in that square tube?

[KSmith]

I don't know that you can get 6011 in smaller sizes. Lincoln electrodes at least show the smaller 1/16 and 5/64 only in 6013. Welding depot has some smaller rod in 7014 http://store.weldingdepot.com/cgi/we...xtpage=results

I like 1/16 rod in my 110v lunchbox-size harbor freight 80amp DC unit. For 1/16 wall tube, I've used 1/16" rod at about 50 amps.

[posixPilot]

Mike, could you be thinking of the 6013 you tried

The tube was 3/32" on this new project, but I still managed to burn it up at 50A ... the last project was 1/16", and I did end up using 6011. I found that I couldn't keep the slag from the 6013 out of the joint, and I had fewer problems with the 6011.

I don't know that you can get 6011 in smaller sizes.

I think I ended up finding 1/16" 6011 (and 6013) at Ace Hardware in the Forney brand. I could run really nice flat beads with the 1/16", but I couldn't weld a tee joint to save my life. I decided that, in relative terms, the 1/16" put down way more slag than bead. The weld would stick to either side of the joint, but would never meet in the middle. I tried slowing my travel way down and weaving, but all I ended up with was bead stacked really high, and blow holes in the base metal.

Cheers
Mike

[welderdude]

one little thing to add. The 6010/6011 rods seem to run better when they are stored in an open container. they run like crap when they are bone dry.

[jerky]

one little thing to add. The 6010/6011 rods seem to run better when they are stored in an open container. they run like crap when they are bone dry.

these arnt ment to be dry like the 7018's. they need around 3-5% moisture for them to work good.