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ali GMAW common practice North America

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Hi there
Been surprised by what is and is not stocked in the UK.
What's recommended in the Lincoln "bible" of welding conditions isn't
doable here it seems due to what's never been heard of.

For ali boats in the few metres / very few tens of foot range - what are
the usual techiques?
You use 5083 Al-Mg for boats?
In BC, Canada, about 17 years ago I saw push-pull guns in some places and
spool-guns in other places.  I've only known a conventional GMAW/MIG
with a "push" feeder used.  That isn't the problem with 5000-series as
I've known - the wire is hard and slippery.  Why spool-gun?  The boats
are made from 4000-series?

Any using 4000-series? (Al-Si)
Can you push-feed 4043?  With larger wire diameters?

I've only known welding 5083 plate ali, and 6000-series extrusions, with
5356 (and sometimes higher-strength 5183) welding-wire, with a
"conventional" push-feed MIG/GMAW welding machine as you would use for
steel.

Thanks if anyone can give me some idea on this.

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ali GMAW common practice North America Richard Smith <null@void.com> - 2026-06-23 08:12 +0100
  Re: ali GMAW common practice North America Bob La Londe <none@none.com99> - 2026-06-23 12:14 -0700

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