EN AW-3003 · AlMn1Cu
The most widely used non-heat-treatable alloy: roughly 20% stronger than pure aluminum with the same excellent forming, brazing and corrosion behavior. If a part is bent, rolled or brazed in volume, 3003 is usually in it.
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.6 |
| Fe | ≤ 0.7 |
| Cu | 0.05 – 0.20 |
| Mn | 1.0 – 1.5 |
| Zn | ≤ 0.10 |
| Al | balance |
Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.
| Property | Value |
|---|---|
| Density | 2.73 g/cm³ |
| Melting range | 643 – 654 °C |
| Thermal expansion (20–100 °C) | 23.2 µm/m·K |
| Elastic modulus | 69 GPa |
| Thermal conductivity | 160 W/m·K |
| Electrical conductivity | 43 % IACS |
Strength Data
Mechanical properties by temper
Typical room-temperature values for orientation. Design minimums depend on product form, thickness and the governing specification — request the applicable table with your inquiry.
| Temper | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| O | 40 | 110 | 30 | 28 |
| H112 | 60 | 115 | 25 | 30 |
| H14 | 145 | 150 | 8 | 40 |
| H18 | 185 | 200 | 4 | 55 |
| H24 | 145 | 155 | 12 | 40 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | AlMn1Cu |
| EN numeric | EN AW-3003 |
| UNS | A93003 |
| Werkstoff-Nr. | 3.0517 |
| Common product standards | AMS 4006, AMS 4008, AMS QQ-A-250/2, AMS QQ-A-200/1, AMS QQ-A-225/2 · ASTM B209, B211, B221 · EN 485 |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Sheet | AMS 4008 | 3003 | H14 | Aerospace & Defense |
| Sheet | AMS QQ-A-250/2 | 3003 | H24 | Aerospace & Defense |
| Bar / Flat | AMS QQ-A-200/1 | 3003 | H112 | Aerospace & Defense |
| Bar / Flat | AMS QQ-A-225/2 | 3003 | H18 | Aerospace & Defense |
| Plate | AMS 4006 | 3003 | O | General Industry |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-3003 is the right answer
- Heat exchangers and cooling systems
- HVAC ducting and roofing
- Chemical equipment and tanks
- Cooking utensils and food equipment
Specifying EN AW-3003?
State the temper, product form, dimensions and governing standard from the tables above, and we will confirm availability with a firm price and delivery date — typically within one business day.
Request a QuoteMaterial Engineering
Not sure EN AW-3003 is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.