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Old 01-15-2013, 07:56 PM   #3256
fxstbiluigi
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It's Argon.
If it was 75/25 or any other mix the label would indicate what and the % of each.
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Old 01-15-2013, 08:05 PM   #3257
Rd650
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Thanks fxstbiluigi
I knew it didn't seem correct.Guess a trip to the welding supply is in my future. The reciept states Ar/CO2 mix.
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Old 01-15-2013, 08:18 PM   #3258
Stan_R80/7
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One tip-off is UN1006, which is the (united nations) number for argon gas: http://en.wikipedia.org/wiki/List_of...s_1001_to_1100
The second is the word Argon without Carbon Dioxide or CO2 beside it. They gave you the wrong gas.
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Old 01-15-2013, 09:06 PM   #3259
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Yeah thats what I thought, just did not pay attention to the old tank. "ARGON" on the label with nothing else should have been a clue
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Old 01-15-2013, 09:10 PM   #3260
domains
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you dont need gas when you arc

Takes longer to learn arc but worth it

rather change a rod size then a spool

domains screwed with this post 01-15-2013 at 09:17 PM
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Old 01-16-2013, 05:32 PM   #3261
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Use my little mig 95% of the time, but have the option of arc (stick) with this old dog if need be,
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Old 01-17-2013, 08:17 PM   #3262
Longboardr
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I've got not exactly a welding question but you should be the right group of guys to ask.

I'm looking for a portable rig I can use for those times when I'm in the middle of tearing something down and need to get a fastener red hot. Taking a motorcycle to work's oxy/act rig isn't always feasible when it's half torn down and getting the resulting broken off bolts out has not a bit of fun.

Is a portable oxy/acetylene rig the most sensible choice? Recommendations for a red hot rig?
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Old 01-17-2013, 08:42 PM   #3263
Strong Bad
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Quote:
Originally Posted by Longboardr View Post
I've got not exactly a welding question but you should be the right group of guys to ask.

I'm looking for a portable rig I can use for those times when I'm in the middle of tearing something down and need to get a fastener red hot. Taking a motorcycle to work's oxy/act rig isn't always feasible when it's half torn down and getting the resulting broken off bolts out has not a bit of fun.

Is a portable oxy/acetylene rig the most sensible choice? Recommendations for a red hot rig?
Why not a MAPP gas torch?
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Old 01-17-2013, 10:38 PM   #3264
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My 1/8" plate is now about an inch thick... Getting better. I think if I had a smooth surface to start with my beads might actually look half decent. As it is, I get a nice puddle going and then hit a hole and muck it up. Stupid chunk of metal takes forever to get hot enough to carry a puddle and then I can get 2 or maybe 3 passes in before it's too hot. Think I'm to the point now that if I had a pedal I could do a lot better job... any suggestions for me? Hows it lookin?



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Old 01-18-2013, 04:40 AM   #3265
David R
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I suggest you visit a scrap yard and find some more aluminum.

Looking good, Keep it up.

David
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Old 01-18-2013, 07:00 AM   #3266
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Quote:
Originally Posted by Longboardr View Post
I've got not exactly a welding question but you should be the right group of guys to ask.

I'm looking for a portable rig I can use for those times when I'm in the middle of tearing something down and need to get a fastener red hot. Taking a motorcycle to work's oxy/act rig isn't always feasible when it's half torn down and getting the resulting broken off bolts out has not a bit of fun.

Is a portable oxy/acetylene rig the most sensible choice? Recommendations for a red hot rig?
I had a similar problem, my 4x4 building has gotten to the point where I had to have the ability to quickly remove stuck or stripped fasteners. I kept an eye out on craigslist and found a portable oxy/acetylene torch for 50 bones.

Something you may want to consider: oxy/propane. You will be able to use the same torch and will be able to get fuel gas easily at any place that sells propane for bbq grills. You won't be able to weld with it, but it actually cuts faster than acetylene and is much safer to store in a residential setting.

With very little practice you will be able to heat to red hot, and if necessary, 'wash away' the bits of steel you don't want. I have actually saved a few bolts by washing off the stuck nut without damage to the threads.



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Old 01-18-2013, 08:00 AM   #3267
David R
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Quote:
Originally Posted by Longboardr View Post
I've got not exactly a welding question but you should be the right group of guys to ask.

I'm looking for a portable rig I can use for those times when I'm in the middle of tearing something down and need to get a fastener red hot. Taking a motorcycle to work's oxy/act rig isn't always feasible when it's half torn down and getting the resulting broken off bolts out has not a bit of fun.

Is a portable oxy/acetylene rig the most sensible choice? Recommendations for a red hot rig?

Once you get the hang of it, you can weld, braze or cut with the torches. All you need are the proper tips. My first welder was a set of "Metal Master" torches. I used them until I bought an engine drive.

Its by far the best way to learn to weld. Once you master torch welding, stick and tig are easy.

Torches new cost me about $300 plus tank rental or purhase depending on your gas supplier. Things can be had much cheaper from harbor freight or tractor supply. I think both even sell tanks.

30 years later I am still using those torches.

David
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Old 01-18-2013, 08:43 AM   #3268
Pablo83
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Originally Posted by dorkpunch View Post
Considering the surface you're working on and that you don't have a pedal, it looks great. I don't see any grease smudges on your work either; did you find a new pair of gloves?

My scrap guy came recently and cleaned me out. Otherwise I would mail you some more pieces to work on. Hopefully I'll be building an alu skidplate today, maybe I'll have some decent scrap left over...
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Old 01-19-2013, 01:05 PM   #3269
mark1305
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Question for the oxy-acetylene folks: How often should I be taking my torch in to have the o-rings serviced/replaced? Its a Victor set and is only used sporadically for home/hobby use for cutting and heating.

TIA
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Old 01-19-2013, 06:44 PM   #3270
kioti
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Quote:
Originally Posted by mark1305 View Post
Question for the oxy-acetylene folks: How often should I be taking my torch in to have the o-rings serviced/replaced? Its a Victor set and is only used sporadically for home/hobby use for cutting and heating.

TIA
Most likely never unless they cause a problem, I bought my first set of Victor Journeymans in 1982 and they are used daily in the shop and have never had the need for servicing.

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