EN AW-7050 vs EN AW-5356: 22% composition overlap. Significantly different materials serving different application areas.
EN AW-7050 vs EN AW-5356
Side-by-side chemical composition and mechanical property comparison.
Overview
EN AW-7050
3.4144
High-strength aerospace aluminium developed by Alcoa for thick-plate applications. Zr addition (instead of Cr) reduces quench sensitivity for superior properties in thick sections. T7451 temper gives excellent SCC resistance + fracture toughness. Used for fuselage frames, bulkheads, wing spars, and thick structural aerospace components.
EN AW-5356
EN AW-5356
THE magnesium-aluminum welding filler wire — Mg 4.5-5.5% + Cr 0.05-0.20%. Together with 4043, accounts for the vast majority of all Al welding wire sold. ER5356/AlMg5Cr(A). Better color match after anodizing than 4043 (no dark spots). Higher weld strength than 4043. Used for MIG/TIG welding of 5xxx and 6xxx base alloys. THE filler for marine, structural, and anodized applications.
| EN AW-7050 | EN AW-5356 | |
|---|---|---|
| Material Number | 3.4144 | EN AW-5356 |
| Category | Aluminum | Aluminum |
| Standard | AMS 4050 | AWS A5.10 |
Chemical composition (wt%)
| Element | EN AW-7050 | EN AW-5356 | Overlap |
|---|---|---|---|
| Si | 0–0.12% | 0–0.25% | OK |
| Mn | 0–0.1% | 0.05–0.2% | Partial |
| Cr | — | 0.05–0.2% | — |
| Cu | 2–2.6% | — | — |
Mechanical properties
| Property | EN AW-7050 | EN AW-5356 | Unit |
|---|---|---|---|
| tensile_strength | ≥ 510 | 245–285 | MPa |
| yield_strength | ≥ 450 | 120–165 | MPa |
| elongation | ≥ 9 | 17–25 | % |
Compatibility Assessment
EN AW-7050 and EN AW-5356 have significantly different compositions (22% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is EN AW-7050 the same as EN AW-5356?
EN AW-7050 and EN AW-5356 have a 22% composition overlap. They are generally not directly interchangeable.
Can I replace EN AW-7050 with EN AW-5356?
Generally not recommended. The compositions differ significantly (22% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between EN AW-7050 and EN AW-5356?
The main differences are in the following elements: Mn, Ti, Mg. EN AW-7050 is a Aluminum grade, while EN AW-5356 is a Aluminum grade.
Related Comparisons
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Data provided for reference only. Always verify against the applicable specification for critical applications.
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