1. Nthuts'i ñut'i
5A06 aluminum sheet is a high-performance, non-heat-treatable aluminum-magnesium (Ya ar — Mg) aleación, renowned for its exceptional strength, Excelente resistencia ja ar corrosión, and good weldability.
As a member of the 5xxx series, its defining feature is its very high magnesium content (típicamente 5.8-6.8%), which places it at the upper echelon of strength among all strain-hardened aluminum alloys.
With a tensile strength often exceeding 315 Mpa, it significantly surpasses more common marine alloys like 5083, making it a specialized material for applications requiring maximum strength in a welded structure.
While its primary applications have historically been in the aerospace and military sectors—for components like welded fuel tanks, missile casings, and light armor—it also serves in other high-stress environments.
Its unique combination of weldable high strength and durability makes 5A06 the definitive choice for critical structures where performance cannot be compromised and where heat-treatable alloys like the 7xxx series are not viable due to their poor weldability.

5A06 aluminum sheet
2. Chemical Composition of 5A06 Aluminum Sheet
The 5A06 alloy’s performance derives from precise elemental balance optimized through decades of Chinese metallurgical research:
| 'Nar 'mu̲ |
Especificación (wt%) |
Functional Role |
| Aluminio (Ya ar) |
Equilibrar (≥92.5%) |
Matrix; corrosion resistance foundation |
| Magnesio (Mg) |
5.8–6.8 |
Solid solution strengthening; β-phase (Al₈Mg₅) source |
| Manganeso (Mn) |
0.50–0.80 |
Grain refinement; Al₆Mn dispersoid formation |
| Silicio (Hää) |
0.40–0.80 |
Casting fluidity; Mg₂Si precipitation; anodizing enhancement |
| Titanio (Nu'i) |
0.02–0.10 |
DC casting grain refinement; prevents ingot cracking |
| Berilio (To'o ra) |
0.0001–0.005 (optional) |
Oxidation prevention during melting; reduces dross |
| Hierro (Nt'eme) |
≤0.40 |
Controlled impurity; Al₃Fe phase limitation |
| Cobre (Cu) |
≤0,10 |
Tight limit; prevents SCC susceptibility |
| Zinc (Zn) |
≤0.20 |
Limitation; galvanic corrosion prevention |
| Cromo (Cr) |
≤0.20 (residual) |
Recrystallization control |
| Ma 'ra (Nu'bu̲) |
≤0.05 |
— |
| Ma 'ra (Nxoge) |
≤0.15 |
— |
3. Tempers and Properties of 5A06 Aluminum Sheet
Designaciones temperamento (GB YÁ T 16475-1996)
| Atemperar |
Processing Description |
UTS (Mpa) |
Rendimiento 0.2% (Mpa) |
Elongation A50 (%) |
Dureza (HB) |
Aplicaciones típicas |
| O (Recocido) |
380–420°C/2–4h, furnace cool |
315–375 |
155–215 |
15–22 |
75–95 |
Deep forming, anodized optical housings, cryogenic equipment |
| H12 |
Cold work ~25% from O |
340–400 |
260–320 |
8–15 |
85–105 |
Moderate forming, structural brackets, marine fittings |
| H14 |
Cold work ~35% from O |
360–420 |
290–350 |
6–12 |
95–115 |
Rivets, fasteners, clips, springs |
| H16 |
Cold work ~50% from O |
380–440 |
320–380 |
4–8 |
105–125 |
High-strength wire, precision springs |
| H18 |
Cold work ~75% from O |
400–460 |
360–420 |
3–6 |
110–130 |
Maximum strength springs, diaphragms |
| H22 (H12 + stabilized) |
H12 + 250–300°C/2h |
340–400 |
250–310 |
10–16 |
85–105 |
Stress-corrosion resistant marine structures |
| H24 (H14 + stabilized) |
H14 + 280–320°C/2h |
360–420 |
280–340 |
8–14 |
95–115 |
Balanced strength/ductility for welded structures |
| H32 |
H12 + stabilization |
340–400 |
250–310 |
10–16 |
85–105 |
SCC-resistant applications (equivalent to H22) |
| H112 |
Hot work finishing |
295–355 |
130–190 |
12–20 |
70–90 |
General structural plate, thick sections |
Mechanical Property Analysis
Strength Progression:
The O-temper baseline of 315–375 MPa UTS already exceeds 5083-H116 (305–385 MPa) and approaches 5383-H116 (370–420 MPa), demonstrating 5A06’s exceptional solid solution strengthening.
Cold working to H18 achieves 400–460 MPa, rivaling heat-treatable 6061-T6 (290–330 MPa) without thermal processing.
Ductility Trade-offs:
Elongation decreases from 15–22% (O) to 3–6% (H18), following typical work-hardening relationships.
'Ñotho ar embargo, 5A06 maintains superior ductility at equivalent strength levels compared to 5056 due to silicon-enhanced deformation mechanisms.
Anisotropy Characteristics:
Planar anisotropy index Δr = 0.2–0.4 produces 8–12% earing in cylindrical cup drawing—manageable through blank holder pressure optimization and lubricant selection.

2mm 5A06 aluminum sheet Thickness test
Physical and Thermal Properties
| Ha̲i |
Hmädi |
Application Significance |
| Densidad |
2.64 g/cm³ |
2% lighter than 5083; critical for aerospace mass budgets |
| Rango fusión |
568–640°C |
Lower Mg content than upper limit reduces liquidus; affects welding parameters |
| Conductividad térmica |
115 W/(m·K) at 20°C |
Adequate for heat dissipation; 10% lower than 5083 due to higher Mg |
| Conductividad eléctrica |
26% IACS |
Inferior 'na 5083 (29%); higher resistive heating in electrical applications |
| Coeficiente de Dilatación Térmica |
24.0×10⁻⁶/°C |
Design allowance: 2.4 mm/m per 100°C ΔT |
| Mfeni calorífica específica |
880 J/(kg·K) |
Thermal mass calculations for cryogenic systems |
| Módulo elástico |
70.5 GPa |
Identical to other 5xxx alloys within measurement precision |
| Ratio de Poisson |
0.33 |
Standard for aluminum alloys |
4. Manufacturing and Processing of 5A06 Aluminum Sheet
The performance of 5A06 aluminum sheet is closely linked to how it is manufactured and processed.
Because 5A06 is a high-magnesium, non-heat-treatable Al–Mg alloy, its mechanical strength, Resistencia ar corrosión, and fabrication reliability depend on precise control of alloy chemistry, deformation, and thermal history throughout production.
Melting and Alloying Control
Production begins with high-purity primary aluminum, supplemented where appropriate by qualified recycled aluminum.
Alloying elements—primarily magnesio (5.8–6.8%), along with manganese and chromium—are added under tightly controlled conditions.
Accurate alloying is essential, as even small deviations in Mg content can significantly affect strength and corrosion behavior.
Casting and Homogenization
After alloying, the molten metal is cast into rolling slabs using direct chill (DC) Fundición.
These slabs then undergo homogenization heat treatment, typically in the range of 450–500 °C.
Homogenization serves to:
- Reduce chemical segregation from casting
- Dissolve low-melting phases
- Improve hot-rolling workability
- Enhance microstructural uniformity
Laminación jar mpa
Homogenized slabs are hot rolled at elevated temperatures to reduce thickness and refine the grain structure. During this stage:
- Large thickness reductions are achieved efficiently
- Grain structure becomes elongated and refined
- Internal defects are closed
Careful temperature control prevents surface cracking and ensures stable deformation behavior, which is particularly important for high-Mg alloys like 5A06.
Cold Rolling and Thickness Control
After hot rolling, the material is further processed by laminación jar ntse̲ to reach final thickness and improve surface quality.
Benefits of cold rolling include:
- Improved dimensional accuracy (typical thickness tolerance within ±0.5%)
- Enhanced surface finish suitable for forming or welding
- Controlled work hardening to achieve target tempers

Aluminum sheet rolling process
Annealing and Temper Stabilization
Depending on the required temper, the sheet may undergo:
- Full annealing (O temperamento!) for maximum ductility and formability
- Stabilization or partial annealing for H112, H116, or similar tempers
Surface Finishing and Inspection
Final processing includes:
- Trimming and leveling to improve flatness
- Surface cleaning or light pickling to remove oxides
- Visual and automated inspection for scratches, inclusions, and laminations
5. Applications of 5A06 Aluminum Sheet
Gracias da ár Mextha resistencia, Excelente resistencia ja ar corrosión, outstanding weldability, and lightweight nature, 5A06 aluminum sheet is widely used in industries that demand long service life and structural reliability.
Its performance advantages make it particularly suitable for welded structures operating in corrosive or high-load environments.
Marine and Offshore Engineering
One of the most important application areas for 5A06 aluminum sheet is marine engineering.
- Ship hull structures and decks
- Bulkheads and superstructures
- Offshore platform components
- Marine tanks and enclosures

Shipbuilding used 5A06 aluminum sheet
Pressure Vessels and Storage Tanks
Engineers commonly select 5A06 aluminum sheet for pressure vessels and storage systems when corrosion resistance and weight reduction matter.
- Fuel tanks and oil storage tanks
- Gas cylinders and pressure containers
- Cryogenic and low-temperature vessels
Industria ar transporte
In the transportation sector, 5A06 aluminum sheet supports lightweight design and energy efficiency.
- Automotive fuel tanks and body panels
- Truck and trailer structures
- Railway vehicle panels and frames
Defense and Aerospace-Related Structures
Designers use 5A06 aluminum sheet in defense and aerospace-adjacent applications because it offers a high strength-to-weight ratio and strong resistance to environmental degradation.
- Missile and launch system components
- Protective structural panels
- Aircraft ground-support and auxiliary structures
Chemical and Industrial Equipment
The corrosion resistance of 5A06 aluminum sheet makes it valuable in chemical processing and industrial environments.
- Chemical containers and pipelines
- Industrial enclosures and housings
- Equipment exposed to humid or mildly corrosive atmospheres

5A06 aluminum sheet for chemical container
6. Advantages of 5A06 Aluminum Sheet
5A06 aluminum sheet is recognized as a high-performance Al–Mg alloy that combines mechanical strength, Resistencia ar corrosión, and fabrication reliability.
These advantages make it a preferred material for marine, transporte, pressure vessel, and structural applications where long-term durability and lightweight efficiency are essential.
High Corrosion Resistance
One of the most significant advantages of 5A06 aluminum sheet is its Excelente resistencia ja ar corrosión, particularly in marine and humid environments.
- Ar high magnesium content (5.8–6.8%) promotes the formation of a dense, stable oxide film on the surface, which effectively protects the material from seawater and atmospheric corrosion.
- Low copper content minimizes galvanic corrosion and intergranular attack.
- Compared with carbon steel, 5A06 aluminum sheet can reduce corrosion-related maintenance by over 50% in coastal or offshore environments.
Mextha nthe resistencia-peso
5A06 aluminum sheet offers a strong balance between mechanical strength and low density, delivering excellent structural efficiency.
- Densidad: aproximadamente 2.66 g/cm³, aproximadamente 'nar tercio ar ar ar ar asero.
- Typical tensile strength: ≥315 MPa, comparable to some low-alloy steels on a strength-per-weight basis.
Excellent Weldability and Workability
Unlike heat-treatable aluminum alloys, 5A06 aluminum sheet maintains stable mechanical properties after welding, making it ideal for complex fabricated structures.
- Suitable for MIG, TIG, and resistance welding
- Low susceptibility to hot cracking
- Minimal post-weld strength degradation
Superior Anodizing Response
5A06 aluminum sheet exhibits a high-quality anodizing response, adding both functional and aesthetic value.
- Produces uniform, dense anodic oxide layers
- Enhanced surface hardness and wear resistance after anodizing
- Improved corrosion protection and electrical insulation

Anodized 5A06 aluminum sheet
7. Comparative with Alternative Alloys
| Ha̲i / criterion |
5A06 |
5083-H116 |
5052-H32 |
5456-H116 |
6061-T6 |
A36 Mild Steel |
| Material class |
Al–Mg (high Mg) |
Al–Mg (marine grade) |
Al–Mg (formable) |
Al–Mg (Dätä resistencia) |
Al–Mg-Si (heat-treatable) |
Fe-C |
| Densidad (g·cm⁻³) |
~2.66 |
~2.66 |
~2.68 |
~2.67 |
~2.70 |
~7.85 |
| Yield Rp0.2 (Mpa) |
~150–180 |
≥215 |
~140–195 |
~250–300 |
~275–310 |
~250 |
| Tensile Rm (Mpa) |
~315–380 |
~305–385 |
~210–260 |
~340–405 |
~310–350 |
~400–550 |
| Alargamiento A (%) |
~10–15% |
≥10–12% |
~8–18% |
~10–12% |
~8–12% |
~15–25% |
| Heat-treatable |
Hi'nä |
Hi'nä |
Hi'nä |
Hi'nä |
Hä |
Hi'nä |
| Soldabilidad |
Excelente (MIG/TIG/FSW) |
Excelente |
Excelente |
Good–Excellent |
Xi hño (weld HAZ weakens) |
Excelente (requires corrosion protection) |
| Seawater corrosion resistance |
Ar na za̲ |
Excelente (marine grade) |
Xi hño (limited immersion) |
Very good–Excellent |
Hingi ze̲di (needs coating) |
Pobre (requires coatings/cathodic prot.) |
| Intergranular/exfoliation risk |
Low when processed |
Hñets'i' (H116 control) |
Hñets'i' |
Hñets'i' (H116 control) |
Hñets'i' |
N/A |
| Fatigue performance |
Xi hño (weld detail sensitive) |
Xi hño |
Hingi ze̲di |
Ar na za̲ |
Xi hño |
Ar na za̲ |
| Typical applications |
High-strength marine parts, recipientes presión, Tanques, structural panels |
Hull plating, Tanques, Estructuras offshore |
Depósitos combustible, formed components, ducts |
Higher-strength hull plates, structural members |
Marcos, Accesorios, machined parts |
Heavy hulls, structural frames where weight is secondary |
| Design trade-offs |
High Mg → high strength + good corrosion; non-heat treatable |
Marine workhorse — proven immersion performance |
Best for formability and economy; not for prolonged immersion |
Higher static strength (price premium) |
Higher peak strength (but needs corrosion care) |
Cheap, strong, heavy, high maintenance |
8. ¿Yogo'ä da 'ñets'i Huasheng Aluminium??
Aluminio Huasheng is a professional aluminum material supplier committed to delivering high-quality 5A06 aluminum sheets for demanding applications.
Key Strengths of Huasheng Aluminum
- Strict chemical composition control with full traceability
- Comprehensive mechanical and corrosion testing
- Stable supply of multiple tempers and custom dimensions
- Compliance with international standards and project-specific requirements
- Technical support for material selection and fabrication guidance
By combining manufacturing expertise with quality assurance, Huasheng Aluminum helps customers reduce risk and improve project efficiency.
9. Njäts'i nu'bu
5A06 aluminum sheet is not a general-purpose material; it is a specialist engineering solution designed for the extremes.
It represents the pinnacle of strength within the family of non-heat-treatable, weldable aluminum alloys.
Its value lies not in its versatility, but in its ability to provide an indispensable solution for a narrow but critical range of applications in the aerospace, militar, and high-performance marine sectors.
For engineers tackling challenges where maximum strength must be achieved without sacrificing weldability, 5A06 stands as a proven and powerful material choice.
Ya nt'a̲ni frecuentes
Gi 'ya̲ni 1: Is 5A06 aluminum sheet heat treatable?
Hi'nä. 5A06 is a non-heat-treatable alloy; its strength comes from magnesium content and work hardening.
Gi 'ya̲ni 2: Is 5A06 suitable for marine environments?
Hä. Its high magnesium content provides excellent resistance to seawater and marine atmospheres.
Gi 'ya̲ni 3: How does 5A06 compare to 5083 aluminio?
Both offer excellent corrosion resistance; 5A06 typically provides slightly higher strength, Mente 5083 is more globally standardized for shipbuilding.
Gi 4: Can 5A06 aluminum sheet be welded easily?
Hä. It has excellent weldability with minimal loss of mechanical properties after welding.
Gi 'ya̲ni 5: What thickness range is available?
5A06 aluminum sheet is commonly available from thin gauge sheets to thick plates, depending on application and supplier capability.