EN AW-5454
3.3537Al-Mg alloy specifically approved for pressure vessel applications (EN 13445, ASME Section VIII). Higher Mg than 5052 (2.7% vs 2.5%) with Cr addition for SCC resistance. Max continuous service temp 149°C for welded pressure vessels. Used for road tankers, chemical storage tanks, heat exchangers, and marine structures.
International equivalents
| Flag | Standard | Country | Grade | Number | Match |
|---|---|---|---|---|---|
| 🇺🇸 | AA | USA | AA 5454 / UNS A95454 | A95454 | REF |
| 🇪🇺 | EN | Europe | EN AW-5454 (AlMg3Mn) | 3.3537 | 100% |
Sources: AA, EN 573-3
Chemical composition comparison (wt%)
Side-by-side: EN AW-5454 (AA) (EN 573-3) vs EN AW-5454 (AlMg3Mn) (EN)
| Element | EN AW-5454 (AA) | EN AW-5454 (AlMg3Mn) (EN) | Overlap |
|---|---|---|---|
| Si | 0–0.25% | — | — |
| Mn | 0.5–1% | — | — |
| Cr | 0.05–0.2% | — | — |
| Cu | 0–0.1% | — | — |
| Al | — | — | — |
| Ti | 0–0.2% | — | — |
| Mg | 2.4–3% | — | — |
| Fe | 0–0.4% | — | — |
| Zn | 0–0.25% | — | — |
Mechanical properties
H34 Temper
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 250–305 | MPa |
| Yield Strength | 180–230 | MPa |
| Elongation | 8–14 | % |
| Elastic Modulus | ≥ 70 | GPa |
| Density | ≥ 2.69 | g/cm3 |
O Temper
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 215–275 | MPa |
| Yield Strength | 85–130 | MPa |
| Elongation | 18–22 | % |
Compatibility verdict
EN AW-5454 and EN AW-5454 (AlMg3Mn): 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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