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3.4345

EN AW-7020

The 3.4345 (EN AW-7020 (AlZn4,5Mg1)) is an [[element:Al|aluminum]] alloy: lightweight, [[glossary:korrosion|corrosion]]-resistant, and easy to weld — but only with the right process and clean preparation. Typical composition: 0.2 % Cr, 0.25 % Mn, 0.2 % Si.

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