WORST MAGNETIZED PIPE I'VE EVER WELDED ON - how to weld it? what causes it? radiation? and ...
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- เผยแพร่เมื่อ 27 ก.ย. 2024
- How magnetized is too magnetized? We ended up with some super magnetized pipe on a pipe fence project when we used old oilfield pipe as material. So I went out to the jobsite with a Gauss meter (magmeter) to see just how magnetized it was, share tips I’ve learned from our community, and weld on it for myself.
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When we welded new drop in sections to replace old pipe the old pipe in the ground was a lot of the time magnetized . Sometimes you could hold a hammer on the end . I always carried a Gauss meter . One could weld the pipe usually up to about 7 gauss after that we would de mag . We always had a spare welder on site for broke down welders or for de magging . This welder had a polarity switch for changing the current direction . We would put about 10 wraps of cable on the magged up end close to the end to be tied in . Once that was done we would hook the ground to the stinger (dead short) The welder was turned off and set at the lowest settings then we would turn the welder on and with gauss meter in hand at the end of the pipe we would check the end for gauss , and slowly turned the continuous dial up till the meter showed close to 0 if it got more magnetism we would switch polarity . It worked very well and saved our bacon many a time , because all welds were 100% xrayed . If you can't de mag . change your polarity that helps . This method of de magging is in a 70 page booklet I put together called tie in tricks and stolen Ideas . There is 3 pages in it about de magging . hope this helps
Very good and accurate advice. 👌
How much is that book and where can I get it?
Using an Alternating Current (AC) welding machine as a degausser/demagnitizer; Connect two work clamps to the two output leads/cable, (work and electrode cables) with power off connect one work clamp & cable to one end of structure and connect the second work clamp & cable to the other end of the structure. Set the Alternating Current welding machine to its rated amperage output ie 200+ amps. then turn power on with the dead short with this connection. There will be about 1 volt and 200 amps therefore 200 watts of output load, this will be 100% duty cycle. This AC machine can be turned off after using to demagnify the structure before welding with Direct Current or it can be used continuous while welding with Direct Current.
To increase deposition and productivity, all position welding with the Hobart Self-shielding/Gas Less Flux Cored XLR-8 the AWS E71T-8JD-H8 fyi - Multiple pass, 70ksi tensile strength, 1- all position, T-tubular flux cored, -8 AWS classification, JD 20 foot pounds impact properties at -40 F and D-Seismic and H8 - 8 milliliters of hydrogen per 100 grams (8ml/100g) of weld deposit. Lincoln has similar flux cored wire, Innershield NR-203MP. As close to welding like the E7018 but on a coil. These wires work best with constant voltage weld output and quite weld nicely with voltage sensing wire feeders
Good advice!
How do I get the book?
Wrap the ground cable around the pipe a few times. you can just keep coiling it until the pipe is weldable. If it gets worse, then coil the ground cable the other way around the pipe.
Only used it for tig welding where it was not possible to strike a consistent arc, but it should give the same results for stick welding.
This is the method I use for stick welding magnetized pipe and it works pretty darn good.
My grandpa, who is no longer with us who welded for 50+ years, told me to wrap the lead cable around the pipe a few times and then weld. I did it and it welded like normal. I hope others use this method and pass it on to the next generation.
Do you wrap the stinger lead around the pipe or the ground lead? Just curious as there are post for both on site. I guess it really wouldn't matter, but curious what you did. Thanks. Terry
@@terrywaldrop5973 My old instructor gave me advice from his 17 years on oil rigs, and basically the ground lead you want to wrap it around the pipe that is magnetized on one side, you don't have use the stinger being it's positive. Ground is for your negative which is AC! Hope this helps
@@billyjones3430 thank you. so, simple answer, wrap the ground pipe. I have 1500 feet of top rail to do this winter. Using a Lincoln ranger gtx250
@@terrywaldrop5973 yes wrap the ground lead around the pipe that is magnetized.
My grandfather would hit the pipe with big hammer. And spme times it would work and some times it wouldnt. As well as wrapping 2 coat hangers. But if that didn't work, hed that the torches and weld it that way. But i like your answer better. @terrywaldrop5973
This is why a Miller Bobcat or Lincoln Ranger is necessary when welding pipe fence. All you have to do is switch to AC current and use an AC rod. Welds as smooth as a MIG.
Great advice. 👍
I said the same thing last video about using ac no one said anything which is weird for once
I don't think that's a universal solution. We were running 6011 on magnetized pipe with a bobcat. Pretty sure it was AC. It welded fine and smooth but the welds broke. They were fine on unmagnetized pipe but wouldn't hold under pressure with magnetized pipe.
@@heyman5525
I’m not sure either it was just a suggestion do you think it was the 6011 that made it crack rather than 7018 again just a question I’m not gonna say I know all I’m just curious
@@richpitty Well, the weld didn't crack. The base material of the posts just pulled right out. The actual weld bead from the corner post to the horizontal pipe simply pulled the base material right out of the corner post. Also, only the corner posts were magnetized. We did the entire job of uprights and horizontals with 6011 and it turned out great.
I don’t know if you guys know how much you are helping with these videos but I’ll tell you they really help a lot.
I’m 66 and weld a little on pipe pens and implements and just for fun. If you would have told me when I was young that I liked welding I would have laughed.
I’ll never be a pipeliner but I like to do something to the best of my ability.
I’ve been watching several different welders videos for about three months and you can’t believe how much I improved.
Also the little tips about working really help. I’m glad you guys are sharing your knowledge.
Another good video Austin. I've pipelined for 40 years including maintenance and rehab. I have found swapping the leads can help with the bead. I also have used a strong horse shoe magnet on really bad magnetized pipe. Use the horse shoe to straddle the bevel and weld between the magnet. It has worked really well when I needed it. A plus is to have another welder walk the magnet along as you put in the bead. I'm really impressed with you young man. Keep up the good work.
Hi Austin. Really enjoy your channel and am a learning welder. The other pipe issues I understand well. The pipe gets magnetized from the earths field. Although the earths field is not particularly strong, when you insert a long ferrous (iron) object into the ground and spin it, it will get magnetized at a rate dependent on the surrounding ground (how much ferrous material is in the soil as well as the alloy of the metal. The ability of the tube to pick up magnetic field is function of how much iron and other alloys such as nickel and chromium are in the pipe. Stainless for example does not readily magnetize nearly as well as cast iron. These residual magnetic fields in the metal steer the electron flow out of the tip of the electrode causing the havoc. AC makes sense that it would help but not solve the steering. Heat will demagnetize the metal but that would be a lot of preheating for tubes of the size you are dealing with. Degaussing also will lessen but probably not completely solve the gnarly puddle unless you really ge-gauss the crap out of it. Interestingly, submarines get magnetized because they are long enough, like the drill pipe/tube to cross the wide gaps across the earths magnetic field and become magnetized as well. Submarines are regularly degaussed because the enemy will use magnetic fields to try to detect you. The degaussing is done with cable and electric current that reverses the magnetic field of the object to cancel the induced field whether from a welder or big coil wrapped around a ship. When welding, the problem gradually subsides both from current flow from the welder as well as heat reducing the field. This makes me wonder whether gas welding the pipe would solve the issue although I assume very expensive.
Radiation in the pipe is a totally separate issue not related to magnetism. The radiation comes from the ground being drilled and does not make the tubing radioactive itself but is *contaminating* the material. If you can clean it sufficiently, there will be no contamination and the radiation will wash out. But drill tubing is frequently full of sludge that will be hard to get out and that holds the contamination in the pipe. When talking about the hazard related to working on it, I am guessing that the radiation levels coming from the pipe itself are pretty low (although detectable) and the real danger is that welding it is releasing it into the air. The (probably) dominant form of radioactive isotope in the contamination is alpha emitters which come from radium like isotopes in the soil and alpha (actually a energetic helium atom ejected from the radioactive isotope in the contamination) is very damaging to soft tissue like in your lungs so breathing that is bad. I am guessing that a yard that won't accept radioactive contaminated scrap has to do with not being able to clean it out without generating rad waste that is super expensive to get rid of so they just avoid it. If I found a load of tubing (2 3/8) that was radioactive that someone wanted to get rid of real cheap, I would buy it and just take good precautions like cleaning out the first 4-6 inches away from where I was going to weld it. If cutting with a carbide wheel, I would also use a good air filter (not dust mask) and clean my clothes out good before washing them in the house. Take care to collect that dust and oil it down to prevent it from going airborne. To find out specific isotopes coming out of a production area, find a good geochemist or petroleum engineer working that field and they can probably give better specifics as to what the pipe is contaminated with. Do you call Drill pipe Tube or Pipe?? All the best.
You're learning? I just learned so much from you!
Hey Austin! Really love your content and keep up the great work! As for the radioactive drill pipe, the way that occurs is when we’re targeting a shale formation (it’s our source parent rock for oil and gas hydrocarbons in unconventional plays). We usually drill it using a horizontally and have about roughly 10k of pipe rotating in that rock. Shale is a radioactive sedimentary rock that collects fine amounts of uranium when deposition occurs.
Sorry I nerded out! Again awesome job!
I've always heard wrapping the ground lead around the pipe several times would make it easier to weld, or demaganatize it
To use this method requires a separate welding machine and a Gauss meter to dial it in.
Wrap your ground lead 4 times clockwise, and 4 times counter clockwise around the pipe approximately 2 feet from the joint. The electromagnetism created from the welding process will counteract the magnetism in the pipe.
Exactly! You can actually see what it does ( leads) in the winter
Thanks for addressing the questions!
I also appreciate the comments from the experienced hands here!
Hey Austin weld on magnetized tools that come out the ground down here in Southern Louisiana. Most of the time the inspectors can demag but just like a lot of these guys in the comments said some ol school guys said wrap the ground around your workpiece and it will help tremendously. Love what you do man I like to learn something new everyday
Also wrapping the ground around the pipe about 6 or so times helps a ton!
🙃👍👍👍 Thank you, This made a lot of sense now that you have tried to explain the problems in this type of pipe. From my own experience in electronics. A magnetized object having very strong flux field lines, will cause you to have problems in trying to weld, or solder on the first pass or attempt. Pre heating the object will kill most of the magnetic fields at that joint. Heating a magnet will do the same. But because that pipe was in the ground over a longer time and in close proximate to magnetic material in the ground, the problems are much more pronounced. Only my option from my work not on pipe or anything you do. This was very fascinating to watch.
I’ve heard if you get a brand new car battery and two copper wires and put one on each terminal then touch the pipe it reduces or completely removes the magnetism.
on the NDT side we were taught to wrap the leeds around the pipe, also for the gieger counter we use survey meters to detect radiation
I've used my strong earth magnet to control the direction of an erratic magnetized arc, and also used coiling the ground, and ground position to get more control.
Had bad magnetic pipe doing some tig work in a boiler on heavy wall 9 chrome. 100% phaser ray. With tig welding the arc you could see it push back towards the tungsten instead of going away like normal. Things I found that helped is to get your ground lead and wrap it around the pipe you’re welding on several times. Also turn your heat up at least 10-30 more amps than you normally would. After bead pass is in it will start welding closer to normal.
I had my share of magnetize heavy wall pipe on 80 series chrome. We tried to get the magnetism out with all kinds of tricks from the magic trick bag but it couldn't work. So finally got a demagnetize machine on it and finally we welded it out with no problem.
Thats alot of residual magnetic field. 10 gauss at 12" is crazy.
You can try 1 or 2 things:
#1. Create a 5 turn coil with leads around pipe end while welding and have a hand slide it of end. Then check gauss, reverse direction coil if it didnt work.
#2. Ground on pipe and crank amps up to weld on another drop piece. This might pull gauss out.
Note on radiation in pipe, I have never knew or heard of this. But if so im sure we don't want to even mess around due to the dangerous risk handling radiation. Very limited to detection unlike magnetic fields. I have been in NDT/CWI inspections for over 16yrs. Be safe!
Man I fill your pain. I have been making some 2in pipe cages out of old well tubing to go around valves and stub ups and the last load I picked up was the worst. I'm just glad they are getting painted. I have also wondered about making x-ray welds on really magnetized pipe. Just to see if any of the old timers tricks actually work.
Your awesome bro! Love watching you channel it’s amazing information for younger people like me who don’t have as much experience. Keep it up always love a Friday👍🏻
Mr. Austin, as always you have excellent video. I just noticed in the coments this magnetic issue can be solved by welding with AC current. No doubt this will work. I had a need to demagnatiz a shaft once, so I wrapped the shaft with welding leads, and ran a few AC passes on some scrap and this solved the problem. I was going to propose that you would try this while welding the pipe with AC, but as these other people have suggested just using AC to weld with should solve the problem.
The theorie is DC current will create a magnet field. Polarity does not matter. AC current is said to isolate back and forth thus councils out magnetism.
DC current is used make magnetic fields for solenoids to push or pull, also to make brakes and clutches work.
For AC current to become a magnet, example electric motor starter, it has a special coil which has a shading coil made into it. If the shading coil becomes broken the coil will not pull in, it will just viberate.
If you experiment with this please make a video of it.
Keep up the good work
Thanks Austin, lots of good information there for sure, you make it look so easy. Stay safe and keep up the good work. Fred.
Did you ever try wrapping the welding lead around the pipe? Never had to do it myself but heard from a old pipeline welder it works. Try wrapping clock wise if that makes it worse. Then wrap the other way. Just can't remember which lead
Steel pipe or steel plate can become magnetized by rubbing together while shipping or boring into the ground especially around joints and from rubbing against elements and rock in soil, as well as welding. Steel can become radioactive through rubbing against radioactive elements in the earth as well as scale from iron in steel can cause radioactivity. Hope that helps!
When we pulled pipe out of holes we would stack the pipe in a east west direction for a couple months to demagnetize it. Plus we would wrap the ground also to weld. In the surplus oil field pipe yards in the Dakotas, Mont. and Wyo. you will see the pipe racks laid out for the East West orientation. We did the same for the sucker rod.
Brrn waiting for this one Austin!. Ate up after smart tool was ran, huh?
Sometimes dragging it to the job site with a chain helps lol.
I was also told to wrap the ground cable around the pipe
Im mainly a structural weldor, but i keep about 3 feet if welding cable with a ground clamp on each end, clamp one on each work piece, opposite sides of the weld zone
I've had metal do that but didn't know why it acted that way.
The "mystery" is solved.
Thanks
Very interesting job brother 🔥👍
Some times rapping ground lead around the pipe helps
I've been using a technique that was passed on to me by an old-timer wrap the ground cable at least three times around the fence pipe and ping it before you start welding.
What do you mean by ping it?
When dealing with (Hot Pipe) what you will need is a gamma radiation detector. Berkley Nucleonics makes a nice and compact radiation detector that is very sensitive. The other two forms of radiation, Alpha and Beta are actually particles and harder to pick up as they don't travel well through air. The gamma radiation is a wave form of energy. The Berkley will pick up gamma sources at a considerable distance depending on the strength of the source. I welded on some highly magnetized sucker rod on a fence I was building, I went AC with 6011 it worked well as the arc oscillated between both sides of the weld.
Oooow it looks like someone just said that before me😁
The easiest thing to do is move the ground clamp very close to the weld if you don't have an AC welder. I have ran in to this and find clamping the ground via a C-clamp let's me put my ground close to the weld. When there is magnetism I like the ground connection close to the rod (it should be anyway) and to the extreme that the distance from rod to clamp in travel direction is shorter than distance from rod to clamp in opposite direction. Now there's no arc blow.
--- edit follows ---
Ironically a magnetic ground clamp is something I have been wanting to get and probably would help with this situation. It let's you place the ground anywhere.
So, how does a magnet that is attached to a ground cable affect welds? I’ve not used one myself, but I know others do.
an AC yoke that NDT uses for mag particle testing can also be used on pipe ends to temporarily knock out magnetism as well as heating the pipe
after 26 years welding ive just started up demag company capable of mainline tie-ins and rotating equipment up to 36” with w.t. 21/2” and to see the frustration wash off a welders face and/or the supervisor and engineer is perfect
Thank you now I know , a big thumbs up.
I have had good luck with wrapping the negative around to pipe near the weld and switching the machine to AC... used 6011
SUPER BASIC INFO FOLLOWS: Magnetism is caused thru the molecular restructuring/alignment of the atoms within the iron alloy. That level of magnetism is generally considered not harmful to you, but just makes mechanical things a bit more difficult. Radioactive contamination is totally different. When an atom is unstable, typically because of an imbalance of subatomic particles because the ratio of protons, neutrons and electrons is off, the atom wants to balance out by shedding the particles that are extra. The particle that comes off and the energy released is called the radiation. There is particulate radiation and energy radiation. A beta emitting radioactive isotope for instance is an atom that is shedding electrons. A gamma emitting isotope is an atom that emits gamma energy. Gamma is in the non visible spectrum of light wavelengths, like microwaves, ultraviolet and xrays. There's plenty to look into as far as radiation is concerned that can fill volumes. Different types of radiation pose different hazards and requires different levels of protection. 3 main components to remember with keeping yourself safe from it are time distance and shielding. Limit the time you are exposed to it. Keep distance between you and it. And if you can put something between you and it that can block it - even better. The strength of radiation is greatly reduced every time you double the distance (inverse square law). Basically the strength measured at one inch away is reduced by four at two inches. The strength at two inches is reduce by four when moving to four inches, etc. So, if your arms are extended, your finger tips are getting burned by the invisible flames while your shoulders might only be getting a tiny bit warm. If you stay there too long eventually your shoulders get burnt too. Unless you stuck your arm thru a hole in a lead wall in which case your shoulders may never feel much of anything even though your fingers turned to ash.
Thank you for sharing this.
No radiation associated with oilfield items will ever be radioactive enough to burn you or make you sick in an hour. That type of radiation level is not naturally occurring unless your in a uranium mine or near the ore and even then you certainly wouldn't be burned but you could get sick under continuous exposure. Radiation poisoning happens to every person on earth exposed to the Sun. How your body reacts to radiation or how sick you get is determined by the strength of the radiation and how long your exposed. Generally from birth to 10 years old a human has experienced about 1% radiation. Every year you live naturally occurring radiation increases your level of exposure and risk for cancer. If your exposed to radiation in your work then your exposure level and cancer risk is always going to be higher than people who aren't. Early signs of radiation poisoning are usually nausea and vomiting if your experiencing that you most likely will have received enough radiation exposure to kill you in a number of weeks. If your burned by radiation exposure not heat your odds of survival are very slim and you most likely have only hours to live.
_"Basically the strength measured at one inch away is reduced by four at two inches"_ - unless the radiation source is in some enclosure "directing" it (like in this so called "cobalt bomb"), the radiation is emitted as a "sphere", thus it decreases its intensity, or density, by the factor of "inverse cube" - i.e. when you move twice the distance away it decreases by 2^3, ("two cubed, or "to the third power"), that is 8, three times as far it'll be 3^3, or 27 - PER UNIT of area (say, square inch).
_"even though your fingers turned to ash"_ - that is, figuratively only, as there won't be any literal ash - quite literally ;-)
We always used stainless steel 316L rod to weld magnetic pipe. Never had any problems.
My center punches and drift pins would get magnetized and they would pick up metal flakes till it became bothersome. I would aim the tool towards the south and tap them with a hammer 20xs. That would take most of the annoying magnet force out of them. Aim them north will put it back. When you weld some metals you will find that welding towards a ground will make the weld splatter more especially noticeable with 7018 , change ground or change direction.
I inherited an old Geiger counter that’s probably from the 50’s. I’ll have to see if it still works
You can get a cheap Geiger counter off eBay for 100 bucks or so. The radiation comes from radioactive elements present in different formations drill pipes go through. Shale is a big one, you use the game kick to identify it on a bore hole log
I bought a pair of those cheap Geiger counters off eBay. One didn't work at all. The other worked but was very insensitive. I had a piece of pipe that the junkyard rejected because it made their counter scream like a banshee. My Geiger counter barely reacted to that same piece. I wouldn't mess with eBay for that.
Watched your videos for a while but never heard you’re an okie, or living an okie life. Do you know David Jones, known for his sprint car wings?
hows the little bolt deal set up on your sugar scoop?
Can’t on just weld with AC to help alleviate the control of the puddle?
wow what a problem thanks for the instruction. something I didn't know was out there. Are you going to grind it like you were on the pipeline and run another weld across the whole thing?
I heard you can wrap your ground cable around the pipe 3 or 4 times. Idk
Thanks for the tip
not to say much but... would it make a difference, to tack weld it then use one genorator/welder to run AC thru the whole pipe section and use another welder for running the weld with the AC flowing thru it from the other welder tho running the welding on DC? or just AC weld it? ... ... ... Barrel plow?
I have always wrapped the pipe with my ground and cranked my heat up to push it in.
Is radiation positive pipes bad to be around health wise once there in the ground as a h brace holding a gate etc or only when working on it
Do I have to stick weld magnetized pipe or can I use my gasless flux? I’ve never done it and I took a job and come to find out the shit is magnetic
We wrap the lead a few time around the pipe an that helps
Heard a story of a rancher that had pipe corrals to hold his livestock, he got testicular cancer and he thought it was from sitting on top of the pipe corrals. He was thinking the pipe corrals had hot pipe.
Unlikely unless he was genetically susceptible to radiation which can happen and is a proven fact.
Plasma arc welding would be best for that pipe.
How bad is that radioactive pipe for fumes, is it worse on your lungs than most other materials. Thanks, mugs up. 👍👍
does wrapping your ground lead around the pipe couple times help any?
Aren't welding rods slightly radioactive? I use 6011 and 6013 and those were what I was warned about and to keep them in my shed rather than in my house. I'm self taught in welding so I could very well be wrong on this.
You might be confusing this with the electrodes used for TIG welding. Those tungsten electrodes are made to last as long as possible while maintaining a point, and for that purpose small amounts of another material are mixed in. One example is "2% Thorium" which is slightly radioactive.
You need an amperage throttle on your stick holder or a foot pedal like Tig welding .
Wrap your ground lead a bunch of times used to weld railroad track for a guy and that stuff is super magnatized
If you will use your rosebud to heat up the weld area to the point it’s red and then let it cool down completely it will take magnetization out.
Can you weld better on magnetised steel using an AC welding machine ????
for what your doing there i wuld have heated up the pip red hot & welded it hot hear neutralises the magnetic pool., The puddle is red hot & the neutral area in the weld. YES them where the days in my life . HA & welding in the remain Another ball ack Did you know some people can't weld in the ran They conduct the current of the steel plats for as it is earthed . there ok in dry weather but get regular belt's of the welder wen it is wet . I wasn't to bad But i have known some that just could not get near the job & as you know WE sometimes weld in the rain I used water proofs pant's that helped lot
6:06 The tubing does not have to rotate to become magnetized, just being in a deep well bore will do it. It is a result of the Earth's Magnetosphere, Nikola Tesla had tapped into this unlimited power supply but was de-funded as it was to be "Free Energy" The Egyptian Pyramids did the same.
I have seen this cut tubing in half with laser like precision. This is why cathodic protection kits is installed at various places on the pipe runs. The energy sector creates trillon$ in fees / taxes for all the various govt agencies and you can control the country when you control their oil supply (double jeopardy for the rats in charge).
Sometimes several good smacks with a BFH will knock the Gauss right out of it, another method commonly used is the opposing wraps of the ground / lead cable on either side of the weld joint.
Great job on showing the world how the patch runs Austin!
Hey Austin contact ludlums or qualtek associates they both specialise in Geiger counters and can inform you of the best Geiger counter specific to scrap metal and used pipe
Considering that they use large magnets on cranes to pick up scrap I don't know why you would think that they wouldn't take it.
Turns out, they will take magnetized pipe, but not radio active pipe
6010 nuff said
Even better tack it and then try to come back to it the earth makes it more magnetized that becomes challenge accepted
That looks a bit tricky to weld up 😯
Radiation is what they .All pipe that comes out of a well whether drilling or not can be hot,casing tubing ,sucker rods
And pump barrels. Anything that scale has built up on and it's TUBING NOT PIPE
I think that WILL help since it's AC
Use an AC welder and rod that can be used on AC and DC.
Always wrapped the ground around the pipe
Seems like there should be a way to demag it electronically.
Is there not a tool to demagnetize the pipe?
Una vieja soldadora de transformador, que son de AC, ¿podría ayudar a ganarle al magnetismo?
We brother in law ion 4 1/2 and 2 3/8 that’s magnetized and it does a lot better after fill pass. We fill pass the cap pass.
What about running on ac instead of dc that's what I do!
What was that bird shit @ 3.11 😆
I thought u could wrap your lead around the pipe and then weld it?
Some tube or rhs is very magnetic and it's brand new
I have been wanting to get something that detects radiation. From what I understand, geiger counters are not the best for measuring how DANGEROUS the radiation is. A geiger counter gives you Counts Per Minute (CPM). It doesn't tell you how much energy each count (blip? tick?) has. I think DOSIMETERS tell you how dangerous the radiation actually is. I'm still researching, so I don't actually know. Can anybody correct me?
It seems like everything I weld must have been on magnetized !
5/32 6011 100 amps on AC burns no problem.
Demagnetize the pipe by wrapping one lead around the pipe ten times then hook up the stinger at full power then slowly lower it to zero. Do it a couple times if necessary
I had an old timer tell me to weld magnetized pipe wrap your ground lead around it 11 times and I welds fine but I have never done it
Hey Austin, do you ever have to tig weld anything?
Ya from time to time
I bet if your hands were tied together you couldn't talk.😂
And depending where the pipe came from, Granite produces a deal of radiation. Coming from a Geologist.
Granite absolutely does not produce radiation at all. It may contain particles or veins of uranium,barium, thorium etc but pure granite is not radioactive in any way. AND IT'S TUBING NOT PIPE
@@crazyoilfieldmechanic3195Radon. It's a naturally recurring state.
From Granite!
There was this joke in the early years of telephones (which had a separate microphone and ear-piece) - a young Jew businessman is explaining to his Grandpa how to use it, and when he comes to "...so you hold the microphone in one hand, with the other hand you put this piece to your ear..." the old man interrupts him and says "WAIT A MINUTE, young man! But how can you talk when you have both hands busy?!"
Steel isn’t magnetic over 1400 degrees Fahrenheit. It’s not practical to preheat everything magnetic to 1400 degrees, but when it is necessary, it’s a good tool to have in your pocket.
If your buying pipe and are not sure of what your getting and have nothing else at your disposal open you pocket knife bade and touch the pipe to check for a magnet field. Being your pocket knife blade is not stainless steel. Cheers
All you have to do is weld with straight polarity
Heat it a lot. It works....
Enough heat kills the magnetisim...preheat or multiple passes...6010 root. Everybody has what works for them.
heat will kill a maganet and what else does?
Radon is natural in the ground, one type of radiation
AC current