EN AW-2033 · AW-2033 (AlCu4Mg1 + Bi)
A lead-free free-machining derivative of 2024: bismuth additions give the chip-breaking behavior of 2011 with near-2024 mechanical properties — the RoHS-friendly choice for high-strength turned parts.
Material Data
Composition and physical properties
| Element | Limit / range |
|---|---|
| Si | ≤ 0.50 |
| Fe | ≤ 0.50 |
| Cu | 3.8 – 4.9 |
| Mn | 0.30 – 0.9 |
| Mg | 1.2 – 1.8 |
| Bi | 0.9 – 1.3 (typ.) |
| Zn | ≤ 0.25 |
| Al | balance |
Limits per EN 573-3 / applicable registration. The governing specification on your order prevails.
| Property | Value |
|---|---|
| Density | 2.79 g/cm³ |
| Melting range | 502 – 638 °C |
| Thermal expansion (20–100 °C) | 23.2 µm/m·K |
| Elastic modulus | 73 GPa |
| Thermal conductivity | 125 W/m·K |
| Electrical conductivity | 31 % 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) |
|---|---|---|---|---|
| T3 / T351 | 330 | 460 | 12 | 118 |
| T6 | 390 | 470 | 8 | 125 |
| T8 | 440 | 475 | 6 | 127 |
Designations & Standards
How this alloy appears on drawings
| System | Designation |
|---|---|
| ISO / EN designation | AW-2033 (AlCu4Mg1 + Bi) |
| EN numeric | EN AW-2033 |
| UNS | A92033 |
| Werkstoff-Nr. | — |
| Common product standards | ASME SB211 · ASTM B210, B221 · producer registration (lead-free free-machining) |
Supply Program
Available from Lipol as
| Product form | Standard | Alloy | Temper | Category |
|---|---|---|---|---|
| Bar / Flat | ASME SB211 | 2033 | T3 | Aerospace & Defense |
| Bar / Flat | ASTM B210 | 2033 | T8 | Aerospace & Defense |
| Tube / Profile / Extrusion | ASTM B221 | 2033 | T6 | Aerospace & Defense |
| Cold-Drawn Bar | EN 754-2 | 2033 | T351 | Cold Drawing |
Additional tempers, forms and specifications available on request — the table shows the standard program.
Applications
Where EN AW-2033 is the right answer
- Lead-free screw-machine products
- Aerospace-grade turned parts
- Hydraulic and pneumatic fittings
Specifying EN AW-2033?
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-2033 is the right alloy?
Describe the application — load, environment, joining, finishing — and our engineers will confirm the choice or propose a better-value alternative.