Overview
Al5754 (AA5754) is a medium-to-high-strength aluminum alloy belonging to the 5000 series aluminum family, with magnesium as its primary alloying element. It is known for its excellent corrosion resistance, good weldability, superior formability, and outstanding performance in marine and industrial environments.
Al5754 offers higher strength than Al5052 while maintaining excellent corrosion resistance and fabrication characteristics. It is widely used in automotive body panels, marine structures, pressure vessels, transportation equipment, and architectural applications.
Due to its excellent balance of strength, corrosion resistance, and formability, Al5754 has become one of the most popular aluminum alloys in Europe for transportation and industrial manufacturing.
Material Specification
| Property | Value |
|---|---|
| Alloy Designation | AA5754 |
| Alloy Series | 5000 Series |
| Main Alloying Element | Magnesium (Mg) |
| Material Type | Non-Heat Treatable Aluminum Alloy |
| Density | 2.66 g/cm³ |
| Standard Forms | Sheet, Plate, Coil, Tube, Bar |
Chemical Composition
| Element | Content (%) |
|---|---|
| Aluminum (Al) | Balance |
| Magnesium (Mg) | 2.6–3.6 |
| Manganese (Mn) | ≤0.50 |
| Silicon (Si) | ≤0.40 |
| Iron (Fe) | ≤0.40 |
| Chromium (Cr) | ≤0.30 |
| Copper (Cu) | ≤0.10 |
| Zinc (Zn) | ≤0.20 |
| Titanium (Ti) | ≤0.15 |
| Others | ≤0.15 Total |
Mechanical Properties
Typical H111 Condition
| Property | Value |
|---|---|
| Tensile Strength | 190–240 MPa |
| Yield Strength | 80–125 MPa |
| Elongation | 12–22% |
| Hardness | 55–70 HB |
| Elastic Modulus | 70 GPa |
| Fatigue Strength | 95 MPa |
Typical H22/H32 Condition
| Property | Value |
|---|---|
| Tensile Strength | 220–280 MPa |
| Yield Strength | 130–200 MPa |
| Elongation | 8–18% |
Physical Properties
| Property | Value |
|---|---|
| Density | 2.66 g/cm³ |
| Melting Point | 600–645°C |
| Thermal Conductivity | 130–147 W/m·K |
| Electrical Conductivity | 30–35% IACS |
| Thermal Expansion Coefficient | 23.7 × 10⁻⁶/K |
| Specific Heat Capacity | 900 J/kg·K |
Corrosion Resistance
| Environment | Performance |
|---|---|
| Atmospheric Exposure | Excellent |
| Marine Environment | Excellent |
| Salt Spray Environment | Excellent |
| Industrial Environment | Excellent |
| Chemical Environment | Very Good |
Al5754 provides excellent resistance to seawater, industrial pollutants, and chemical exposure. It is widely used in marine and transportation industries due to its long-term durability.
International Equivalent Grades
| Standard | Equivalent Grade |
|---|---|
| AA (USA) | AA5754 |
| EN (Europe) | EN AW-5754 |
| DIN (Germany) | AlMg3 |
| JIS (Japan) | A5754 (Closest Equivalent) |
| ISO | AlMg3 |
| GB/T (China) | LF5 |
| UNS | A95754 |
Available Tempers
| Temper | Description |
|---|---|
| O | Annealed |
| H111 | Slightly Strain Hardened |
| H22 | Quarter Hard |
| H24 | Half Hard |
| H32 | Quarter Hard & Stabilized |
| H34 | Half Hard & Stabilized |
| H38 | Full Hard |
Typical Applications
Automotive Industry
- Automotive Body Panels
- Vehicle Doors
- Floor Panels
- Fuel Tank Covers
- Structural Components
Marine Industry
- Boat Structures
- Marine Decking
- Ship Interior Components
- Offshore Equipment
Transportation Industry
- Truck Bodies
- Railway Components
- Tank Trailers
- Cargo Containers
Pressure Vessel Industry
- Pressure Vessels
- Storage Tanks
- Chemical Containers
- Process Equipment
Construction Industry
- Architectural Cladding
- Curtain Wall Systems
- Roofing Panels
- Decorative Components
Machining Characteristics
| Manufacturing Process | Rating |
|---|---|
| CNC Milling | Good |
| CNC Turning | Good |
| Laser Cutting | Excellent |
| Waterjet Cutting | Excellent |
| Sheet Metal Fabrication | Excellent |
| Deep Drawing | Excellent |
| Bending | Excellent |
| TIG Welding | Excellent |
| MIG Welding | Excellent |
| Anodizing | Good |
Advantages
Excellent Corrosion Resistance
Outstanding resistance in marine, industrial, and outdoor environments.
Higher Strength Than Al5052
Provides improved structural performance.
Excellent Formability
Suitable for deep drawing, bending, and complex sheet metal forming.
Excellent Weldability
Performs well in welded structures.
Lightweight Construction
Reduces overall product weight while maintaining strength.
Suitable for Transportation Applications
Widely used in automotive and rail industries.
Limitations
Not Heat Treatable
Mechanical properties cannot be significantly increased through heat treatment.
Lower Machinability Than 6061
Not ideal for complex precision-machined components.
Moderate Surface Finish After Anodizing
Decorative anodizing quality is generally lower than Al5005.
Lower Strength Than 6082 and 7075
Not suitable for highly loaded aerospace structures.
Comparison with Other Aluminum Alloys
| Property | Al5754 | Al5052 | Al5083 | Al6061 | Al5005 |
|---|---|---|---|---|---|
| Strength | Medium-High | Medium-High | High | High | Medium |
| Corrosion Resistance | Excellent | Excellent | Outstanding | Good | Excellent |
| Marine Performance | Excellent | Excellent | Outstanding | Fair | Good |
| Weldability | Excellent | Excellent | Excellent | Good | Excellent |
| Formability | Excellent | Excellent | Good | Medium | Excellent |
| Machinability | Good | Good | Good | Excellent | Good |
| Automotive Use | Excellent | Good | Fair | Good | Fair |
Comparison with Common Engineering Metals
| Material | Density (g/cm³) | Corrosion Resistance | Strength | Transportation Suitability |
|---|---|---|---|---|
| Al5754 | 2.66 | Excellent | Medium-High | Excellent |
| Al5052 | 2.68 | Excellent | Medium | Excellent |
| Al5083 | 2.66 | Outstanding | High | Good |
| Stainless Steel 304 | 7.93 | Excellent | Medium | Fair |
| Carbon Steel A36 | 7.85 | Poor | Medium | Poor |
| Titanium Grade 5 | 4.43 | Excellent | Very High | Excellent |
Recommended Surface Finishes
- Clear Anodizing
- Hard Anodizing
- Powder Coating
- PVDF Coating
- Polyester Coating
- Wet Painting
- Sandblasting
- Brushing
- Polishing
- Laser Marking
- Silk Screen Printing
Frequently Asked Questions (FAQ)
What is Al5754 aluminum?
Al5754 is a magnesium-alloyed aluminum alloy known for excellent corrosion resistance, good strength, and outstanding formability.
What is Al5754 used for?
Common applications include:
- Automotive Body Panels
- Marine Equipment
- Pressure Vessels
- Storage Tanks
- Architectural Panels
- Transportation Equipment
Is Al5754 stronger than Al5052?
Generally yes.
| Property | Al5754 | Al5052 |
|---|---|---|
| Tensile Strength | Up to 280 MPa | Up to 290 MPa |
| Yield Strength | Higher in some tempers | Medium |
| Automotive Usage | Excellent | Good |
Al5754 is often preferred for automotive applications due to its excellent combination of strength and formability.
What is the difference between Al5754 and Al5083?
| Property | Al5754 | Al5083 |
|---|---|---|
| Strength | Medium-High | High |
| Marine Resistance | Excellent | Outstanding |
| Formability | Better | Lower |
| Cost | Lower | Higher |
Al5754 is preferred for transportation and forming applications, while Al5083 is preferred for heavy marine-duty structures.
Is Al5754 suitable for marine environments?
Yes. Al5754 performs very well in marine and coastal environments.
Can Al5754 be welded?
Yes. Al5754 offers excellent weldability and is commonly used in welded assemblies.
Is Al5754 suitable for automotive manufacturing?
Yes. Al5754 is one of the most widely used aluminum alloys for automotive body panels and structural components.
Does Al5754 anodize well?
Yes. Al5754 can be anodized successfully for both decorative and protective purposes.
Why is Al5754 popular in Europe?
Because it combines:
- Good Strength
- Excellent Corrosion Resistance
- Outstanding Formability
- Automotive Qualification
making it ideal for transportation and industrial applications.
Does GCNOV provide custom manufacturing services for Al5754?
Yes. GCNOV provides:
- CNC Machining
- Sheet Metal Fabrication
- Laser Cutting
- Waterjet Cutting
- Bending & Forming
- Welding & Assembly
- Surface Finishing
- Automotive Components Manufacturing
- Prototype Development
- Low-Volume Production
- Mass Production