Material basis

GTAW and GMAW are widely used. Common filler families include 4xxx Al-Si and 5xxx Al-Mg consumables.

Applications

Applications include marine structures, tanks, transport bodies, architectural fabrication and process equipment.

Common grades / designations

Alloy/temper affects weldability and HAZ strength. Some high-strength 2xxx and 7xxx alloys are difficult to fusion weld.

Engineering notes

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Selection and procurement checks

Confirm alloy, temper, product form, dimensions, applicable ASTM/EN/ISO/AA specification, mechanical properties, corrosion environment, joining route and mill certification before approval.

Element Folio engineering reference. Verify the latest governing specification and manufacturer data for final design or procurement.