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Thread: Electrode suggestions
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22nd August 2015, 11:09 AM #1SENIOR MEMBER
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Electrode suggestions
I have a couple of packets of 2mm Weldskill GP rods which I bought recently, they are absolute rubbish, so bad in fact I’ve reverted to using some $12 Chinese rods I bought years ago. I’d like Ferrocrafts but at nearly $50 a packet I think it bordering on the ridiculous. I have a couple of packets of Lincoln 2.5s which I bought for $19 a packet from gasweld, absolutely beautiful to weld with, just a tad too big for the intended job and unfortunately they aren’t available in the 2mm size. Any suggestions for a 2mm all position rod that strikes easy?
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22nd August 2015, 01:36 PM #2Philomath in training
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I use these in the 2.5 and they work alright -
http://www.welding.com.au/filler-metals/view/austarc12p
Michael
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22nd August 2015, 02:11 PM #3SENIOR MEMBER
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Too big
Too big, I'm after 2s or smaller. the parts I'm welding are not much bigger than the 2.5s rod diameter.
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22nd August 2015, 06:49 PM #4Philomath in training
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According to that link, they do those electrodes in a 2mm size.
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22nd August 2015, 07:27 PM #5Senior Member
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Geminis are dirt cheap but you might have to search to find them. Last time I bought some boxes they were either $7 or $11, I don't remember. They do 2.0mm and are usually stocked. 6012 and 6013.
You should be able to weld ~2mm material with ~2.5mm rods. Grahame on here once suggested it, when I was playing with 1.6mm rods. The lightbulb was that the extra material deposited by the bigger rod acts as a bigger heatsink helping prevent holes. 1.6mm rods everything's gotta be spot on.
Where are you? I've got heaps of rods including plenty unopened and I never stick weld any more.
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22nd August 2015, 07:37 PM #6
Bob the welder has Gemini 2mm electrodes. $27 a pkt
http://www.bobthewelder.com.au/searc...=search&page=1
If you only need a couple , I can mail you some rods.
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22nd August 2015, 10:33 PM #7SENIOR MEMBER
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Rods
Blowing holes isn't an issue, I simply don't have enough material length to weld so I can only spot. 2.5s are quite close to the material length and I usually overspot with the 2.5s. I think the 2mm Chinese rods I have are Geminis, whatever they are they are a bugger to strike anyway. Might look around for some Austarcs locally i think. Thanks anyway gents I shall perservere!
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22nd August 2015, 11:24 PM #8Senior Member
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Keep a scrap file handy and/or clamp a scrap strike plate next to the work. Knock the old flux off on the file and/or strike on the scrap and then move to the work while the rod is hot or when there's no flux. Every restart is like striking a fresh new rod.
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24th August 2015, 12:05 AM #9
You might like to try 1.6mm ones. I got my lat lot from WA on eBay. The other option is 2mm stainless rods. The run a lot cooler and I like using them for that reason on thin material and for good spotwelds. They are also easy to stike without sticking at lowish amps.
Cheers,
Joe
9"thicknesser/planer, 12" bench saw, 2Hp Dusty, 5/8" Drill press, 10" Makita drop saw, 2Hp Makita outer, the usual power tools and carpentry hand tools...
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