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  1. #1
    Join Date
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    Default lanthanated

    I finally tried the lanthanated tungsten on stainless yesterday. It sharpens easier, seems to hold the point much longer and appears to provide a more stable arc. I may not use the thoriated any more.
    I am wondering about other peoples thoughts on this.
    Tim Beeker,
    T-N-J Industries
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  2. #2
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    Default

    Im no expert on the subject and Ive got a pile of ceriated elctrodes to use up, but I do have one Lanthanated point and I kinda like it too.
    Like you siad , its seems to provide a nice stable arc and for a beginner like me, I thnk thats a good start towards understanding exactly whats happening at the puddle.
    Will it weld? I loooove electricity!

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  3. #3
    Join Date
    Feb 2007
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    Olive Branch Ms
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    Default

    I switched several months ago to all lanth except in .040, could'nt find it. Works good for me.
    Webb's Welding and Repair LLC
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  4. #4
    Join Date
    Aug 2006
    Location
    near rochester NY
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    9,881

    Thumbs up

    2% lanth. is all i use. works great for AC & DC, so no problems keeping them separate after the paint comes off.
    although its debated as the the true risks of thorated, i just don't see the point of risking it when lanthanated works so well.
    i'm a big fan of the lanth. try it on some aluminum you will really like it.
    thanks for the help
    ......or..........
    hope i helped

    feel free to shoot me an e-mail direct i have time to chat. james@newyorkmetalart.com
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  5. #5
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    Default

    Thanks to all. When I do try it on aluminum is there any need to ball it, or use it like I do the thoriated and just let it ball itself?
    Do you think it might handle a little more amps then the pure of same size?
    Tim Beeker,
    T-N-J Industries
    (my side bussiness)

    Miller Synchrowave 350LX with tigrunner
    Esab 450i with wire feeder
    HH135 mig
    Thermal Dynamics cutmaster 51 plasma cutter
    Miller aircrafter 330 - sold
    Marathon 315mm coldsaw
    vertical and horizontal band saws
    table saw
    Dewalt cut off saw
    Sand blast cabinet
    lots of hand grinders
    Harris torch
    beer fridge

  6. #6
    Join Date
    Nov 2007
    Location
    Southern Louisiana
    Posts
    421

    Default same size?

    Yes the alloyed rods will carry more amps than the same sized pure tungsten. The functionality is that the alloy agents are "electron emissive oxides". That is to say they give up their valence electrons easier than the pure form of tungsten. Other benefits include: improved arc starting, arc stability, usable life increase, contamination resistance, and ability to maintain a sharpened tip longer.
    Now let's hit point geometry quickly.
    The taper or point is usable from 30 to 120 degrees depending on the degree of arc concentration required. The tip shape has a heavy effect on the depth of penetration, weld geometry and arc characteristics. A blunt electrode will have the arc wander around the end trying to establish a good path. It moves because of a cathodic reaction where resistance builds and forces the electricity to find an easier path. Keep in the back of your mind that the arc comes off of the smallest cross section of the electrode that can carry the amperage, therefore some common practices can be understood. One is blunting the tip, unless you are working with less than 10 amps you don't really need the sharp tip, it will only end up dipping into the puddle and leaving some tungsten contamination. Also when you grind the tip always grind along the axis or longitudinally to the rod to allow the electrons a smooth path. Finish it as smooth as you can as well and keep the grind even from the tip, reducing one side more than the other will make it difficult to keep proper control of the arc manipulation.

    Yes to weld aluminum with the inverters you should grind your tungsten, try some different tapers to find their different uses. One angle of taper does not fit all applications.

    There is alot more but this will be sufficient to consider for now.
    Last edited by diamondback; 12-11-2007 at 08:53 AM. Reason: cover both topics

  7. #7
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    Default interesting

    Quote Originally Posted by diamondback View Post

    There is alot more but this will be sufficient to consider for now.
    good to know. thanks for posting those tips. (get it? tips) sorry couldnt resist... thanks DB I look forward to more.
    Will it weld? I loooove electricity!

    Miller 251/30A spool
    Syncro200
    Spectrum 625
    O/A
    Precix 5x10 CNC Router12"Z
    Standard modern lathe
    Cheap Chinese mill that does the trick... sort of...
    horizontal 7x12 bandsaw
    Roland XC540 PRO III
    54" laminator
    hammer and screwdriver (most used)
    little dog
    pooper scooper (2nd most used...)

  8. #8
    Join Date
    Apr 2007
    Location
    Ventura, California
    Posts
    102

    Default One more vote for Lanthinated

    I too have standardized on Lanthinated for all TIG on my inverter-based machine. Makes reordering eletrodes a simple proposition, and I don't have to guess if that gray thing sticking out of my torch is the correct flavor for the metal I'm welding.

    On the transformer-based equipment at class, the Lanthinated didn't work so hot (for me) on mild or stainless steel, but fine on Aluminum. This was confusing for me because some guys at the local welding shop were saying Lanthinated should work fine in any machine, and I was trying to figure out if it was my rookie technique or the equipment. Usually I assumed it was not the equipment. However, just get some and try it for yourself. The one thing I have learned about welding is that you ask for advice, but try it out for yourself in your environment. If it works for you, great. If it doesn't, then you can say you tried it.
    Dynasty 200 DX
    Coolmate 3

  9. #9
    Join Date
    Dec 2007
    Location
    Oklahoma
    Posts
    705

    Thumbs up Tungsten

    Quote Originally Posted by tnjind View Post
    I finally tried the lanthanated tungsten on stainless yesterday. It sharpens easier, seems to hold the point much longer and appears to provide a more stable arc. I may not use the thoriated any more.
    I am wondering about other peoples thoughts on this.
    I am currently successfully using Lanthanted tungstens on mild steel, stainless and Aluminum. It will form ball on AC for aluminum but it is a very small ball.

    Roger

  10. #10
    Join Date
    Dec 2007
    Location
    southern B.C
    Posts
    51

    Default

    fun4now

    thanks for that, I'll give it a try as soon as I can get my hands on some.

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