EN AW-1050A · Al99.5
Commercially pure aluminum with outstanding corrosion resistance, thermal and electrical conductivity, and formability. Strength is modest and is adjusted by strain hardening (H tempers).
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.25 |
| Fe | ≤ 0.40 |
| Cu | ≤ 0.05 |
| Mn | ≤ 0.05 |
| Mg | ≤ 0.05 |
| Zn | ≤ 0.07 |
| Ti | ≤ 0.05 |
| Al | ≥ 99.50 |
Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.
| Property | Value |
|---|---|
| Density | 2.71 g/cm³ |
| Melting range | 646 – 657 °C |
| Thermal expansion (20–100 °C) | 23.5 µm/m·K |
| Elastic modulus | 69 GPa |
| Thermal conductivity | 222 W/m·K |
| Electrical conductivity | 61 % 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 | 35 | 75 | 38 | 20 |
| H14 | 105 | 120 | 10 | 32 |
| H18 | 145 | 160 | 6 | 43 |
| H24 | 105 | 125 | 12 | 34 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | Al99.5 |
| EN numeric | EN AW-1050A |
| UNS | A91050 |
| Werkstoff-Nr. | 3.0255 |
| Common product standards | EN 485 / EN 573-3 · ASTM B209 (sheet, plate) · ASTM B211 (bar) · ASME SB209 · L-3051 |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Plate | ASTM B209 | 1050 | H24 | Aerospace & Defense |
| Sheet | ASME SB209 | 1050 | H14 | Aerospace & Defense |
| Bar / Flat | ASTM B211 | 1050 | O | Aerospace & Defense |
| Plate | L-3051 | 1050 | H18 | Machinery, Automotive & Mold |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-1050A is the right answer
- Chemical and food-processing equipment
- Electrical conductors and heat exchangers
- Signage, lighting and deep-drawn parts
- Architectural flashings
Specifying EN AW-1050A?
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-1050A is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.