Quote:
Originally Posted by Gabe
8020? Don't aluminum alloys only go up to the 7x series? Also, isn't the 1x series close to chemically pure aluminum and therefore very soft? (Reference: McMaster-Carr and Machinery's Handbook)
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Actually, there is an 8000 series, reserved for alloying with "other elements". The 9000 series is unused. See
MMPDS-01.
Quote:
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Originally Posted by Gary Dillard
Keep in mind that welded 6xxx aluminum loses 75% of its yield strength (9ksi versus 35ksi) in the heat effected zone. Be sure and overdesign the joints.
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There are also some good tips on welding aluminum at
Lincoln Electric.