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Aluminium alloy 5083 has very good weld ability and retains it's strength after welding - it is the strongest of the non heat treatable alloys.
It has exceptional corrosion resistance to seawater and marine atmosphere.
Aluminium alloy 5083 is commonly used for marine and drilling rigs. Other applications include automotive, railway, building and road construction and machinery.
Aerospace materials are covered by the ‘L’ series of British standards.
5083 Aluminium Alloy Data Sheet
Properties given are typical and should only be used for comparisons of alloys. Actual values will depend on section specification.
| Forming | Good | |
| Machining | Good | |
| Welding | Good | |
| Brazing/Soldering | Not Suitable | |
| Protective Anodising | Good | |
| Aesthetic Anodising | Good | |
| Mechanical Properties | ||
| Temper | O | |
| 0.2% Proof Stress Min N/mm2 | 110 | |
| Ultimate Tensile Strength Min N/mm2 | 270 | |
| Chemical Composition EN AW-5083 | |
|---|---|
| Si | 0.40 |
| Fe | 0.40 |
| Cu | 0.10 |
| Mn | 0.40-1.0 |
| Mg | 4.00-4.9 |
| Cr | 0.05-0.25 |
| Zn | 0.25 |
| Ti | 0.15 |
| Others (each) | 0.05 |
| Others (total) | 0.15 |
| Aluminium | Remainder |
(The chemical composition of aluminium and aluminium alloys is supplied in percentage by mass. Limits are expressed as a maximum unless shown as a range or a minimum.)
| Similar and Obsolete Specifications | |
|---|---|
| UNS A95083 | QQ-A-200/4 |
| BS N8 | DIN AlMg4.5Mn (Germany) |
| DIN 3.3547 (Germany) | |
Capital Aluminium Extrusions Limited
