Aluminium / UNS A95083
5083 is the high-strength non-heat-treatable aluminium alloy for marine and cryogenic service, retaining strength after welding.
- UNS A95083
- Spec ASTM B209 / Aluminum Association
- Density 2.66 g/cm³
Also known as / equivalents
| System | Designation |
|---|---|
| UNS | A95083 |
| Also known as | AA5083 |
Chemical composition
| Element | Min % | Max % |
|---|---|---|
| Si | — | 0.40 |
| Fe | — | 0.40 |
| Cu | — | 0.10 |
| Mn | 0.40 | 1.0 |
| Mg | 4.0 | 4.9 |
| Cr | 0.05 | 0.25 |
| Zn | — | 0.25 |
| Ti | — | 0.15 |
| Al | Bal. | — |
Physical properties
| Property | Metric | Imperial |
|---|---|---|
| Density | 2.66 g/cm³ | 0.096 lb/in³ |
| Magnetic response | Non-magnetic | — |
Available forms & specifications
| Form | Specification | Size range |
|---|---|---|
| Sheets & plates | ASTM B209 | 0.3 mm – 6 mm |
| Extruded bars, rods & profiles | ASTM B221 | 3 mm – 500 mm |
| Drawn tube | ASTM B210 | 1/8" – 24" NB |
| Pipe | ASTM B241 | 1/8" – 24" NB |
Corrosion & temperature resistance
5xxx and 6xxx alloys have good atmospheric and marine corrosion resistance; high-strength 2xxx alloys need cladding or coating in corrosive environments.
Applications
Aluminium 5083: Shipbuilding, LNG tanks, pressure vessels. Structural and architectural extrusions, marine and transport structures, machined components and aerospace parts.
Aluminium 5083 vs Aluminium 5052
| Aluminium 5083 | Aluminium 5052 | |
|---|---|---|
| UNS | A95083 | A95052 |
| Key property | Marine & cryogenic plate | Formable marine-grade sheet |
| Typical use | Shipbuilding, LNG tanks, pressure vessels | Panels, tanks, enclosures, marine |
| Cr (wt %) | 0.05–0.25 | 0.15–0.35 |
| Ni (wt %) | — | — |
| Mo (wt %) | — | — |
| C (wt %) | — | — |
| Tensile / yield (min, MPa) | — | 215 / 160 |
Frequently asked questions
What is the UNS number of Aluminium 5083?
Aluminium 5083 is designated UNS A95083.
What is Aluminium 5083 used for?
Marine & cryogenic plate. Typical uses: shipbuilding, lng tanks, pressure vessels.
Is Aluminium 5083 magnetic?
Non-magnetic.
In which forms can I buy Aluminium 5083 from Rajkamal Metals?
Coils & Strips, Sheets & Plates, Pipes & Tubes, Round Bars & Rods, Structural Sections, Custom Orders. Sizes as per standard; other sizes on request.
Do you supply a Mill Test Certificate with Aluminium 5083?
Yes. Actual values are given in the Mill Test Certificate (EN 10204 3.1) supplied with each order.
What is the difference between Aluminium 5083 and Aluminium 5052?
Aluminium 5083: marine & cryogenic plate. Aluminium 5052: formable marine-grade sheet. See the comparison table on this page.
Last updated: 30 October 2026. Grade names identify the supply range; designations are not engineering equivalents. Availability, make, origin and documentation are confirmed at quotation.
Request a quote
Need Aluminium 5083?
Send the grade, form, size, quantity and destination. Price on request — every offer is prepared against your specification.