Tig welding tips, questions, equipment, applications, instructions, techniques, tig welding machines, troubleshooting tig welding process
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jkw7676
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    Sun Jul 11, 2021 11:29 pm

I am planning on building a t top, and casting platform for my boat and need a little advice and clarification on what aluminum and filler to use. What pipe to use that is bendable and strong enough to support a person, and the filler also that has a clean look and corrosion resistance. I'm pretty new to aluminum welding and will be tig welding the platform.
Thanks
cj737
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    Thu Sep 29, 2016 8:59 am

5052 is pretty common for marine applications. Anodized material is also generally preferred, but you can powder coat your parts afterwards instead.

Lots of Tuna Towers are built from 2” Sch20/40 material. You’ll need pretty high amps to do Sch40 welding.

4943 filler works well if you plan to have the work anodized post-welding, or 4043 if you powder coat is fine.
jkw7676
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    Sun Jul 11, 2021 11:29 pm

Thank you, I'll do some practicing with that material!
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