Flux core?

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I would like to seriously try some self shielded flux core. I mean I had previously purchased a roll of I think -11 tgs or something, I can't recall and the roll is at my shop. I can post that tomorrow. Every time I tried it, it looked like crap so I did not play with it long.Anyways, I want to give it a serious try now and have some questions.1. I have drive rolls for .045 flux core and looking in the Lincoln catalog I see two choices which I think are the only two for .045. Innershield NR-211-MP (AWS class E71T-11) and NR-212 (AWS class E71TG-G)A. Which one would be better? The majority of my work is on 1/8" to 3/8" but sometimes up to 1". All position, sometimes metal is painted, rusty or oily and sometimes new.B. What is the difference of each?C. Polarity of each?2. Can you give me a starting point of volts & wfs in ipm. I know what a mig weld is supposed to look like and I know what a 6010 & 7018 will look like, but no idea what a good  flux cored will look like.3. Any other tips welcomed."Where's Stick man????????" - 7A749"SHHHHHH!! I sent him over to snag that MIC-4 while tbone wasn't looking!" - duaneb55"I have bought a few of Tbone's things unlike Stick-Man who helps himself" - TozziWelding"Stick-man"
Reply:I’ve had good results with Hobart 21B fabshield, E71T-11.
Reply:Look way down about page 42 for appx settings. http://content.lincolnelectric.com/p...ure/c32400.pdf
Reply:The NR211 doesn't fit your material thickness requirements.  The NR212 or Hobart 21B are what you want.Be sure you have the machine set to the correct polarity for running self-shield wire, which is torch negative.MM350P/Python/Q300MM175/Q300DialarcHFHTP MIG200PowCon300SMHypertherm380ThermalArc185Purox oaF350CrewCab4x4LoadNGo utilitybedBobcat250XMT304/Optima/SpoolmaticSuitcase12RC/Q300Suitcase8RC/Q400Passport/Q300Smith op
Reply:He states he wants a wire that will do up to 1" NR-212 has a max of 3/4"Vantage 500's LN-25's, VI-400's, cobramatics, Miller migs, synch 350 LX, Powcon inverters, XMT's, 250 Ton Acurrpress 12' brake, 1/4" 10' Atlantic shear,Koikie plasma table W/ esab plasmas. marvel & hyd-mech saws, pirrana & metal muncher punches.
Reply:Thanks for the input guys. I stated the materials I usually weld and could sometimes be up to and including 1". I can definately use mig or stick for that. I was just mentioning it.I noticed that the NR211 is from 5/16 to 1/2.  Again I sometimes do 1/8" but more often 3/16", 1/4" and 5/16". I have welded 3/8" with .035 mig and had fine results. Is flux core that much different? Can you move a little faster on thinner material? Can you make multiple passes on material out of the recommended range? If so, have you used NR211 & NR212, and how do you like each? Whats the difference from a user friendly standpoint?I build alot of attachments for my and others skid steers. I weld mechanical thumbs on excavators (hence the 1"). Bucket teeth, hooks on buckets, iron fencing, broken parts on heavy equipment, holes in dump trailers, new floors, spread pans, tail gates, bar locks on conex boxes ect. Most of my work is outdoors and its pretty tricky to mig so you can understand why I would like to try this out."Where's Stick man????????" - 7A749"SHHHHHH!! I sent him over to snag that MIC-4 while tbone wasn't looking!" - duaneb55"I have bought a few of Tbone's things unlike Stick-Man who helps himself" - TozziWelding"Stick-man"
Reply:Stopped at my shop and that flux core I have tried is E71T-GS AWS SFA 5.20 .045 gasless fluxcore. Just for reference."Where's Stick man????????" - 7A749"SHHHHHH!! I sent him over to snag that MIC-4 while tbone wasn't looking!" - duaneb55"I have bought a few of Tbone's things unlike Stick-Man who helps himself" - TozziWelding"Stick-man"
Reply:I'm definitely no expert on wire, but what experience I've had with the flux core has been relatively pleasant.I work outside all the time.  The wire seems to behave well up to around 10-15mph winds max. in an unshielded work area.I feel confident with the wire's ability to give adequate penetration if used within it's range.I don't like the cleanup however.  A lot messier than stick.  I've said that I like the fact that you don't have to hammer slag, just use a cup brush, but the spatter covers a much wider area than stick.  It's a tossup I guess.It's also much stiffer than solid wire, and if you can, it would be a good idea to get a set of grooved rollers if you don't already have them.  It makes feeding more reliable and consistent."Any day above ground is a good day"http://www.farmersamm.com/
Reply:Originally Posted by farmersammIt's also much stiffer than solid wire, and if you can, it would be a good idea to get a set of grooved rollers if you don't already have them.  It makes feeding more reliable and consistent.
Reply:You need to read more on AWS Classifications, polarity and Processes. JGSMAW,GMAW,FCAW,GTAW,SAW,PAC/PAW/OFCand Shielding Gases.  There all here. :