EN AW-6005A
EN AW-6005AAl-Mg-Si extrusion alloy — between 6063 (softer) and 6082 (stronger) in the strength range. Optimized for medium-strength extruded profiles with good surface finish. T6: UTS 260-310 MPa. THE European rail vehicle and bus body profile alloy. Also used for structural profiles (curtain walls, ladders, scaffolding), heat sinks, and general engineering extrusions.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AA | USA | AA 6005A | — | REF |
| 🇪🇺 | EN | Europe | EN AW-6005A / AlSiMg(A) | EN AW-6005A | 100% |
Sources: AA, EN 573-3
Chemical composition comparison (wt%)
Side-by-side: EN AW-6005A (EN) (EN 573-3) vs EN AW-6005A / AlSiMg(A) (EN) (EN 573-3)
| Element | EN AW-6005A (EN) | EN AW-6005A / AlSiMg(A) (EN) | Overlap |
|---|---|---|---|
| Si | 0.5–0.9% | 0.5–0.9% | OK |
| Mn | 0–0.5% | 0–0.5% | OK |
| Cr | 0–0.3% | 0–0.3% | OK |
| Al | — | — | — |
| Mg | 0.4–0.7% | 0.4–0.7% | OK |
| Fe | 0–0.35% | 0–0.35% | OK |
Mechanical properties
T6 (solution treated + artificially aged)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 260–310 | MPa |
| Yield Strength | 215–260 | MPa |
| Elongation | 8–12 | % |
| Elastic Modulus | ≥ 69 | GPa |
| Density | ≥ 2.7 | g/cm3 |
Compatibility verdict
EN AW-6005A and EN AW-6005A / AlSiMg(A): 100% composition match
Close equivalents but NOT identical.
Related materials
EN AW-6082
3.2315High-strength structural aluminium alloy in the Al-Mg-Si family. One of the strongest 6xxx series alloys due to manganese addition. Replaced 6061 in many European applications. Used for trusses, bridges, cranes, transport, scaffolding, and marine applications. Heat treatable (T6/T651).
EN AW-5083
3.3547The highest-strength non-heat-treatable aluminium alloy. Excellent corrosion resistance (especially seawater), good weldability. Standard alloy for shipbuilding, offshore, pressure vessels, cryogenic applications, and armour plate. Not for continuous service above 65°C under stress (SCC risk).
EN AW-2024
3.1355Classic high-strength aerospace aluminium alloy (Al-Cu-Mg). Excellent fatigue resistance — the standard choice for aircraft fuselage skins and wing tension members. Poor corrosion resistance and weldability. Often supplied with Alclad cladding for corrosion protection. In use since 1931.
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