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Aluminium Alloy 3003 is not heat treatable but has good workability. It also has very good resistance to corrosion through the atmosphere. Alloy 3003 is a medium strength alloy.
Aluminium alloy 3003 applications include; decorative trim, awnings, cooking utensils, building industry, heat exchangers & office equipment.
Aerospace materials are covered by the ‘L’ series of British standards.
3003 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 | Excellent | |
| Machining | Fair | |
| Welding | Good | |
| Brazing/Soldering | Good | |
| Protective Anodising | Good | |
| Aesthetic Anodising | Poor | |
| Mechanical Properties | ||
| Temper | O | |
| 0.2% Proof Stress Min N/mm2 | 35 | |
| Ultimate Tensile Strength Min N/mm2 - Max N/mm2 | 95-135 | |
| Chemical Composition EN AW-3003 | |
|---|---|
| Si | 0.6 |
| Fe | 0.7 |
| Cu | 0.05-0.20 |
| Mn | 1.0-1.15 |
| Zn | 0.10 |
| Others (each) | 0.5 |
| 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 | |
|---|---|
| B-404 | UNS A93003 |
| BS N3 | AlMn1Cu |
Capital Aluminium Extrusions Limited
