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  1. #1
    Join Date
    Aug 2007
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    Thumbs up MM252 Takes on 1" Plate & Pipe

    Crank-it, pre-heat-it and spray it @ 90/10 gas mix. Got 3/4" penetration!

    TacMig
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  2. #2
    Join Date
    Oct 2006
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    694

    Default

    Quote Originally Posted by tacmig View Post
    Crank-it, pre-heat-it and spray it @ 90/10 gas mix. Got 3/4" penetration!

    TacMig
    How do you know you got 3/4" penetration? I kinda find that hard to believe possible out of that machine.

  3. #3
    Join Date
    Mar 2007
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    Deltaville, VA
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    Default

    tacmig,

    Nice looking weld. Just curious how you determined you got 3/4" penetration.

    Assuming that you did get that penetration, was it really necessary, unless that's 3/4" wall pipe you're welding to the plate?

  4. #4
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    Aug 2007
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    So. Cal
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    Default How do I know..

    Quote Originally Posted by Engloid View Post
    How do you know you got 3/4" penetration? I kinda find that hard to believe possible out of that machine.
    I started with some 3/4" scrap. made one pass cold and just burned the bottom. Next pass was hot via: my O/A and spot burned the bottom about 80% and on second hot pass burned through!
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  5. #5
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    Aug 2007
    Location
    So. Cal
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    Default Better next time..

    Quote Originally Posted by SundownIII View Post
    tacmig,

    Nice looking weld. Just curious how you determined you got 3/4" penetration.

    Assuming that you did get that penetration, was it really necessary, unless that's 3/4" wall pipe you're welding to the plate?
    I should probably take more photos as I go, but usually don't think about it and the only reason I got photos of this is because I was surprised myself!. One of my guys took the 350 on a service call and got hung-up with extras. In any event, I had to build 4 gate posts out of 6" pipe @ 7/8" wall and 1" base plate (to be bolted to pre-poured form) and the next biggest thing I have is our new MM252. The weld would have been fine @ 1/2" but I was just ramping the 252 to see what she could do on 1". Also I ran a cold & hot test on scrap 3/4" and the hot run (Post O/A) dug in a ring at 3/4" on the 3/4" scrap. About as scientific as I get.
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  6. #6

    Default how hot?

    how hot would you say you got the steel before you laid your beed to penetrate? are we talking glowing red.. or just screaming hot to the touch?

  7. #7
    Join Date
    Aug 2007
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    So. Cal
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    Default Ahhhh?

    Quote Originally Posted by shott8283 View Post
    how hot would you say you got the steel before you laid your beed to penetrate? are we talking glowing red.. or just screaming hot to the touch?
    I heated both sides (plate) to about 3/4 screaming hot and the pipe at about 1/2 screaming hot. I wanted to go full screaming but I was afraid the neighbors might call the police. While we are the subject, do you have any idea what a metric sh!$ load weighs in LBS.? I think a U.S. Sh!$ load is equal to 3/4 of a ton. I know that Holy Sh!$ is weightless and Oh SH!$ is unmeasurable, but I can never figure out the metric thing.
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  8. #8
    Join Date
    Oct 2007
    Location
    British Columbia
    Posts
    162

    Talking perforated poop.................

    well holly #$%# ..........................lol
    a metric ton contains 1000 kg. or 2204 lbs. a metric ton of perforated sh@t might weigh less. holly/religious sh@t ............................now thats heavy.
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  9. #9
    Join Date
    Jun 2006
    Location
    Killingworth,Ct.
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    372

    Default My Guess

    Quote Originally Posted by tacmig View Post
    I heated both sides (plate) to about 3/4 screaming hot and the pipe at about 1/2 screaming hot. I wanted to go full screaming but I was afraid the neighbors might call the police. While we are the subject, do you have any idea what a metric sh!$ load weighs in LBS.? I think a U.S. Sh!$ load is equal to 3/4 of a ton. I know that Holy Sh!$ is weightless and Oh SH!$ is unmeasurable, but I can never figure out the metric thing.
    PRICELESS!!!!!!!!!!!!eek:

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