EN AW-3105
3.0505Al-Mn-Mg alloy with slightly higher strength than 3003. Good formability and corrosion resistance. Not heat-treatable. Commonly used for building products, mobile homes/trailers, bottle caps, and general sheet metal applications. Intermediate between 3003 and 5005 in the strength hierarchy.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AA | USA | AA 3105 / UNS A93105 | A93105 | REF |
| 🇪🇺 | EN | Europe | EN AW-3105 (AlMn0.5Mg0.5) | 3.0505 | 100% |
Sources: AA, EN 573-3
Chemical composition comparison (wt%)
Side-by-side: EN AW-3105 (AA) (EN 573-3) vs EN AW-3105 (AlMn0.5Mg0.5) (EN)
| Element | EN AW-3105 (AA) | EN AW-3105 (AlMn0.5Mg0.5) (EN) | Overlap |
|---|---|---|---|
| Si | 0–0.6% | — | — |
| Mn | 0.3–0.8% | — | — |
| Cu | 0–0.3% | — | — |
| Al | — | — | — |
| Mg | 0.2–0.8% | — | — |
| Fe | 0–0.7% | — | — |
| Zn | 0–0.4% | — | — |
Mechanical properties
H14 Temper
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 145–185 | MPa |
| Yield Strength | 115–160 | MPa |
| Elongation | 5–10 | % |
| Elastic Modulus | ≥ 69 | GPa |
| Density | ≥ 2.72 | g/cm3 |
Compatibility verdict
EN AW-3105 and EN AW-3105 (AlMn0.5Mg0.5): 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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