← Glossary

3.3555

EN AW-5086

The 3.3555 (EN AW-5086 (AlMg4)) 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: 0.15 % Mn, 0.15 % Si.

AI Transparency (EU AI Act): Created on the basis of our own many years of practical experience in welding technology, with the help of AI, and reviewed editorially.

© 2026 Welder-World. All content is for training and continuing education and does not replace a certified welding procedure specification.