EN AW-5083 vs EN AW-7075: 36% composition overlap. Significantly different materials serving different application areas.
EN AW-5083 vs EN AW-7075
Side-by-side chemical composition and mechanical property comparison.
Overview
EN AW-5083
3.3547
The 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-7075
3.4365
The classic high-strength aerospace aluminium alloy. Al-Zn-Mg-Cu composition provides the highest strength of all common aluminium alloys in T6 temper. Poor weldability and limited corrosion resistance. Used for aircraft structures, M16 rifle receivers, rock climbing gear, and precision mold plates.
| EN AW-5083 | EN AW-7075 | |
|---|---|---|
| Material Number | 3.3547 | 3.4365 |
| Category | Aluminum | Aluminum |
| Standard | EN 573-3 | EN 573-3 |
Chemical composition (wt%)
| Element | EN AW-5083 | EN AW-7075 | Overlap |
|---|---|---|---|
| Si | 0–0.4% | 0–0.4% | OK |
| Mn | 0.4–1% | 0–0.3% | No overlap |
| Cr | 0.05–0.25% | 0.18–0.28% | Partial |
| Cu | 0–0.1% | 1.2–2% | No overlap |
Mechanical properties
| Property | EN AW-5083 | EN AW-7075 | Unit |
|---|---|---|---|
| tensile_strength | 275–350 | ≥ 540 | MPa |
| yield_strength | ≥ 125 | ≥ 470 | MPa |
| elongation | ≥ 12 | ≥ 7 | % |
Compatibility Assessment
EN AW-5083 and EN AW-7075 have significantly different compositions (36% overlap). These materials are not interchangeable and serve different application areas.
Automated assessment based on composition analysis
Frequently Asked Questions
Is EN AW-5083 the same as EN AW-7075?
EN AW-5083 and EN AW-7075 have a 36% composition overlap. They are generally not directly interchangeable.
Can I replace EN AW-5083 with EN AW-7075?
Generally not recommended. The compositions differ significantly (36% overlap). These materials have different alloying concepts and are intended for different applications.
What is the difference between EN AW-5083 and EN AW-7075?
The main differences are in the following elements: Mn, Cr, Cu, Mg. EN AW-5083 is a Aluminum grade, while EN AW-7075 is a Aluminum grade.
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Data provided for reference only. Always verify against the applicable specification for critical applications.
All data is for reference only. Equivalents indicate similarity, not identity. Always verify against the applicable specification for safety-critical applications. materialref.com accepts no liability for decisions based on this data.