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Thread: Quality welds- you be the judge

  1. #1

    Quality welds- you be the judge

    Recently had some welding done by a trades person. This quality as its best.

    ImageUploadedByTapatalk1376687952.646221.jpg
    ImageUploadedByTapatalk1376687973.589941.jpg


    Is this standard for alloy welding. I was expecting to see fish scales at the joins, not grind out shit.

  2. #2

    Re: Quality welds- you be the judge

    Yeah that looks a bit ordinary. What was the guys trade? Im guessing his main line of work isnt aluminum.

  3. #3

    Re: Quality welds- you be the judge

    Quote Originally Posted by Matt76 View Post
    Yeah that looks a bit ordinary. What was the guys trade? Im guessing his main line of work isnt aluminum.
    Actually marine fabrication .

  4. #4

    Re: Quality welds- you be the judge

    Maybe he should find another line of work!

  5. #5

    Re: Quality welds- you be the judge

    If you wernt happy with it? Did you pay for it? And did you question it? If these welds are on a canopy rocket launcher etc. There has to be good penetration on both surfaces to make a strong weld other wise they will crack . . . eventually. In your first picture where the weld is gappy up top it looks as if that's where the weld started as the material was cold Then he has better penetration further down the weld as the material heats up. Some welders are funny with aluminium. My experience has been that I heat up the surfaces which Im welding Which gives you a hot weld from the start resulting in more consistency and better penetration.

  6. #6

    Re: Quality welds- you be the judge

    Pretty bloody average!

    Most welders are crap at ally & stainless as they are only used to doing 10mm thick mild steel, etc. This guy should be a bit better than that though seeing as he is in the marine fab biz.

    Are those sections under any stress or weight? If they are just to hang some stuff off like sounders, or brackets on rails, etc, they should be fine.

    Cheers,

    Mick.
    Check out my boat for sale in the classifieds

    • 469 Stacer open Seahorse/Nomad
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  7. #7

    Re: Quality welds- you be the judge

    I was intending to mount some antena on them as a fact i may consider otherwise.
    Honestly I was expecting fish scale welds as its a show piece.

  8. #8

    Re: Quality welds- you be the judge

    Why didn't you get some one to tig it up?

  9. #9

    Re: Quality welds- you be the judge

    I will shoot one specific question: On the second photo, where the weld has been sanded back... Is there a weld on the other side?
    In any case can you show the overall job please in another photo
    Pauly
    A Proud Member of
    "The Rebel Alliance"

  10. #10

    Re: Quality welds- you be the judge

    Mate that honestly isn't up to standard. You may as well have kept the "show price money" in your pocket and done a home job.
    I would take it back and ask to if they think it represents their companies standards. I would hope not and the owner (hopefully not the welder) should sort it out . Good luck and let us all know if the outcome isn't satisfactory. The power of a forum may help too.

    Cheers

  11. #11

    Re: Quality welds- you be the judge

    Timmdo, why don't you tell us the story (without naming anyone) and you will get better feedback and suggestions I am sure.
    Otherwise this thread is going to be pathetic.
    Was this done on up on the trailer boat for $20? Or was it part of an organised and designed fabrication?
    Last edited by Shark Poker; 17-08-2013 at 05:11 PM. Reason: More info for proper response?
    A Proud Member of
    "The Rebel Alliance"

  12. #12

    Re: Quality welds- you be the judge

    Quote Originally Posted by burleygu View Post
    If you wernt happy with it? Did you pay for it? And did you question it? If these welds are on a canopy rocket launcher etc. There has to be good penetration on both surfaces to make a strong weld other wise they will crack . . . eventually. In your first picture where the weld is gappy up top it looks as if that's where the weld started as the material was cold Then he has better penetration further down the weld as the material heats up. Some welders are funny with aluminium. My experience has been that I heat up the surfaces which Im welding Which gives you a hot weld from the start resulting in more consistency and better penetration.
    Tim you may be right. Looks like an apprentice may have been given the job. I'd be taking it back and getting redone and if he won't then advertise his quality of work on here.
    No such thing as a fat alcoholic, just fat piss pots...

  13. #13

    Re: Quality welds- you be the judge

    Poor workmanship to offer that work, poor ethics to take your money for that effort and poor skills with aluminium to get that result.
    Aluminium is actually very easy to weld once the prep and the settings are right, it is not a black art at all.
    Jack.

  14. #14

    Re: Quality welds- you be the judge

    Looks like my Stessco with that welding and I've almost sunk 3 times due to dodgy welds..

  15. #15

    Re: Quality welds- you be the judge

    Quote Originally Posted by timddo View Post
    Actually marine fabrication .
    Haha whoa, then yes I'd be a bit upset too. I'm a sheety by trade and am not too bad at ally but am sure I could do a lot better than that! Good on the company for giving (hopefully) the apprentice a go, but they should not have let that leave the factory. Regardless of how strong it may be, it will never be a good advertisement for their business.

    Also to be honest I wouldn't take it back to get fixed. I would cut my losses and take it somewhere else.

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