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Thread: Welding Procedure/Tips 253MA Stainless

  1. #11
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    Homestar is offline Super Moderator & CA manager Gold Subscriber
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    Agreed - sounds like a real interesting project - if you're able, would love to know more details/pics, etc but I get it if not.


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  2. #12
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    would love to share....just gotta be careful

    Quote Originally Posted by Don 130 View Post
    Good luck with it. I hope you haven't chewed your fingernails down too much over it. Are you able to show us pictures of the project and the progress of it?
    It sounds like an interesting job.
    Don.

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  3. #13
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    Quote Originally Posted by Don 130 View Post
    Good luck with it. I hope you haven't chewed your fingernails down too much over it. Are you able to show us pictures of the project and the progress of it?
    It sounds like an interesting job.
    Don.
    Don, attached a 3D PDF....if you have the latest adobe yo should be able to zoom in. the top piece isn't quite right in this version.

    81m of welding for the boys.......currently shopping around for wire given the cost of it

    test material has arrived.....just waiting for it to be folded, D Day is booked for 5th Dec.

    3D Beam.pdf

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  4. #14
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    Welding Procedure/Tips 253MA Stainless

    5th Dec didnít go that well.....between scheduled work, breakdown, XMAS we had to reschedule for today....

    Needed to hire a Pulse MIG.....

    No standard settings on the MIG for 253.....after a bit of a fiddle I.e. dialing in 13mm plate thickness for the 6mm we had to weld the welds started to flow.

    Had some fancy equipment hooked up along with a couple of stop watches the procedure was finalized.



    Test pieces are now at the lab....hopefully have the results early next week. To the naked eye they looked the goods.

    One issue is how bright it was during welding, 13 shade doesnít get dark enough. Just so happened the Speedglass Rep was handy and dropped in. He swapped in a lasted generation auto lense which was a 13 but it just changed the colour and didnít reduce brightness. Boys will wear sunglasses and dial back the lense.

    Drawings have been adjusted and I can now order the stainless.....

    One other issue is getting the material folded.....there is only one place in Brisbane that can do it and the test folds were not quite right. Will have to work with them a bit or go interstate.
    Last edited by weeds; 10th January 2019 at 05:13 AM.

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  5. #15
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    interesting to me as welder. Folding stainless aint the easiest job you never know how much material is going to eat up. Also being a solidworks user it never get the material allowance for bends right. Personally we work of inside dimensions as its easier to fudge the numbers aslong as your not to concerned about radius accuracy.

    Having done a fair bit of stainless mig welding including making some 316 10mm thick i beams for some food industry i don't envy your 81m of weld. especially if your chasing pressure test vessels. Lots of back-stepping of welds and cooling down between runs is the ideal method. Also having welded to something solid and substantial to minimise warpage

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