AA 5086 Aluminum Alloy
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Family: Aluminum Alloy
Magnesium Alloy (Al-Mg). AA designation 5086.
Overview
AA 5086 is a marine-grade aluminium–magnesium alloy (3.5–4.5% Mg) that sits between 5052 and 5083 in strength while offering excellent corrosion resistance in seawater and the atmosphere. Non-heat-treatable, it develops good mechanical properties by cold working and welds readily. It is used for small boat hulls, ship superstructures, pressure vessels, and other marine structural parts.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 292.5 MPa |
| Yield Strength | 185.0 MPa |
| Elongation | 16.0% |
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Al | 95,02 |
| Cr | 0,11 |
| Cu | 0,026 |
| Fe | 0,362 |
| Mg | 3,975 |
| Mn | 0,56 |
| Si | 0,22 |
| Ti | 0,155 |
| Zn | 0,135 |
Where to Buy AA 5086 Aluminum Alloy
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Description
AA 5086 is a marine-grade aluminum-magnesium alloy (3.5–4.5% Mg) offering excellent corrosion resistance in seawater and atmospheric environments, positioned between 5052 and 5083 in strength. It is non-heat-treatable and achieves good mechanical properties through cold working, with high weldability. Applications include small boat hulls, ship superstructures, pressure vessels, and other marine structural components.