Material basis

They are generally non-heat-treatable and strengthened by solid solution and strain hardening. Higher-magnesium grades require attention to sensitization at elevated service temperatures.

Applications

Marine structures, tanks, pressure vessels, transport bodies, cryogenic equipment and welded fabrication.

Common grades / designations

Common alloys include 5005, 5052, 5083, 5086 and 5454.

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.