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5082 - AlMg4.5 Aluminium Plates, Sheets, Blocks
540.0 INR/Unit
Product Details:
- Hardness 44 - 64 HB (Brinell Hardness, depending on temper)
- Material Composition % Al: ~93%, Mg: 4.0-4.9%, Mn: 0.2-0.7%, others: <1%
- Heat Resistance Yes
- Size Standard and custom sizes available as per client need
- Tensile Strength 245 - 320 MPa (Depending on temper)
- Recyclable 100% recyclable aluminium
- Product Form Plate, Sheet, Block
- Click to view more
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5082 - AlMg4.5 Aluminium Plates, Sheets, Blocks Price And Quantity
- 1000 Unit
- 540.0 INR/Unit
5082 - AlMg4.5 Aluminium Plates, Sheets, Blocks Product Specifications
- Not applicable for plates/sheets; customizable for blocks as required
- Silver / Metallic
- Excellent, especially in marine environments
- Mill finish, Smooth, or Custom as specified
- Varies by size and thickness; typically ranges from 2 kg up to several tons per plate/block
- Uncoated, can be anodized or coated on request
- 5082 (AlMg4.5)
- Customizable as per requirements
- ASTM B209, EN 573-3, EN 485-2
- Standard mill finish or customized finish as required
- 245 - 320 MPa (Depending on temper)
- Standard and custom sizes available as per client need
- 0.5 mm to 200 mm (as per requirement)
- 5082
- Yes
- 5082 - AlMg4.5 Aluminium Plates, Sheets, Blocks
- Al: ~93%, Mg: 4.0-4.9%, Mn: 0.2-0.7%, others: <1%
- Rectangular, Square, and Custom Shapes
- 44 - 64 HB (Brinell Hardness, depending on temper)
- Not applicable; Aluminium Alloy
- Plates, Sheets, Blocks
- Shipbuilding, marine components, structural engineering, pressure vessels, and automotive parts
- Plate, Sheet, Block
- 100% recyclable aluminium
- Al-Mg Alloy; Aluminium 93% (approx), Magnesium 4.0-4.9%, with trace elements
- Marine, automotive, structural, cryogenics, pressure vessels
- Sheared, Sawed, or Processed to customer specification
- Good; can be easily formed and fabricated
- Excellent; suitable for all common welding methods
- 12% - 16% (depending on product temper and thickness)
- 130 W/mK
- Fair; recommended use of carbide tooling
- 2.66 g/cm3
- 30% IACS
- 69 GPa
- -196C to +120C
Product Description
5082 Aluminium (AlMg4.5) is a high-magnesium alloy known primarily for its high strength-to-weight ratio and exceptional performance in marine and structural applications. While similar to the more common 5083, the 5082 alloy is often preferred for specific thin-gauge applications like beverage can ends and high-strength sheeting.
1. Key Designations and Equivalents
| Standard | Designation |
| ISO | AlMg4.5 |
| WNr (Werkstoffnummer) | 3.3545 |
| EN AW | 5082 |
| UNS | A95082 |
| AFNOR (FR) | AG4.5MC |
2. Chemical Composition (Typical %)
The high Magnesium content is the primary driver of this alloy's strength and its ability to work-harden rapidly.
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Magnesium (Mg): 4.00 5.00%
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Manganese (Mn): 0.15% max
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Chromium (Cr): 0.10% max
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Iron (Fe): 0.35% max
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Silicon (Si): 0.20% max
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Copper (Cu): 0.15% max
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Aluminium (Al): Remainder
3. Mechanical Properties
5082 is one of the strongest non-heat-treatable alloys. Its properties are highly dependent on the level of cold work (H-tempers).
| Property | Annealed (O) | Hardened (e.g., H18/H19) |
| Tensile Strength ($R_m$) | 270 MPa | Up to 380+ MPa |
| Yield Strength ($R_{p0.2}$) | 120 MPa | 310 MPa |
| Elongation ($A_{50mm}$) | 18 - 22% | 2 - 5% |
| Hardness (HB) | 70 | 105 |
4. Physical Properties
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Density: 2.65 $g/cm3$
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Melting Range: 580C 640C
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Thermal Conductivity: 120 W/mK
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Electrical Conductivity: 30% IACS
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Modulus of Elasticity: 70 GPa
5. Common Applications
5082 is specialized for environments where strength and corrosion resistance must coexist:
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Packaging: The "industry standard" for easy-open ends (tabs and lids) of beverage and food cans.
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Marine Components: Hull plating, bulkheads, and tanks where 5083 might be overkill or unavailable in specific thicknesses.
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Automotive: Structural panels and internal reinforcements where high formability in the "O" temper followed by work-hardening is required.
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Storage Tanks: Low-temperature (cryogenic) storage for liquefied gases.
6. Comparison: 5082 vs. 5154
| Feature | 5154 (AlMg3.5) | 5082 (AlMg4.5) |
| Strength | Moderate | High |
| Magnesium Content | 3.5% | 4.5% |
| Formability | Better for deep drawing | Better for rigid structural sheets |
| Usage | General purpose/Marine | High-stress/Packaging |
7. Fabrication Notes
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Welding: Excellent weldability using standard arc methods (MIG/TIG). It maintains high joint efficiency.
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Corrosion: Exceptional resistance to saltwater. However, like all 5000-series alloys with $>3%$ Mg, it should not be used in continuous service temperatures exceeding 65C (150F) to avoid stress corrosion cracking.
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Machinability: Better than the softer 5005/5052 alloys, but still produces long, stringy chips unless worked to a hard temper.
Exceptional Corrosion Resistance for Marine and Industrial Applications
5082 - AlMg4.5 Aluminium products are renowned for their superior corrosion resistance, particularly in saltwater and harsh atmospheric conditions. This makes them an ideal choice for shipbuilding, marine components, and structural uses where long-lasting durability is essential. Their high magnesium content ensures resilience against common environmental aggressors.
Versatile Fabrication and Excellent Weldability
These aluminium plates, sheets, and blocks offer superior weldability using any standard method and can be easily formed or fabricated thanks to their good ductility. Machining is straightforward with the right carbide tooling, allowing manufacturers to achieve custom shapes and dimensions for a wide variety of industries.
Adaptable to Custom Specifications
Whether you need rectangular, square, or custom shapes, 5082 - AlMg4.5 Aluminium products are available in tailored lengths, widths, and thicknesses ranging from 0.5 mm up to 200 mm. Clients benefit from surface finishes, edge types, and dimensions that fit project-specific needs, ensuring a perfect match for every application.
FAQ's of 5082 - AlMg4.5 Aluminium Plates, Sheets, Blocks:
Q: How can 5082 - AlMg4.5 Aluminium plates, sheets, and blocks be customized for specific projects?
A: These products are manufactured to order in a wide range of thicknesses (0.5 mm to 200 mm), lengths, widths, and custom shapes. Edge types such as sheared, sawn, or precision-processed are also available to meet specific application demands. Surface finish and dimensions are tailored based on customer requests.Q: What benefits do 5082 Aluminium alloy products offer in marine environments?
A: 5082 - AlMg4.5 Aluminium features excellent corrosion resistance to seawater and marine atmospheres due to its high magnesium content. This makes it ideal for shipbuilding, marine structures, and components exposed to salty, humid, or aggressive industrial conditions.Q: When is it appropriate to use 5082 Aluminium instead of other aluminium grades?
A: 5082 Aluminium is preferred for applications requiring high corrosion resistance, good weldability, and moderate strength. It is particularly suitable for marine structures, pressure vessels, automotive parts, and cryogenic equipment, where durability and resistance to harsh environments are critical.Q: What is the recommended process for welding or fabricating these aluminium plates and blocks?
A: 5082 - AlMg4.5 Aluminium demonstrates excellent weldability with all common welding methods. For optimal forming and fabrication, standard equipment suffices, but carbide tools are suggested for machining due to the alloy's fair machinability rating.Q: Where can these aluminium blocks and plates be sourced or supplied in India?
A: These products are available through dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders across India. Custom orders, including size and finish, can be arranged directly with the supplier.Q: How does the composition of 5082 Aluminium contribute to its performance?
A: With approximately 93% aluminium, 4.0-4.9% magnesium, 0.2-0.7% manganese, and trace elements, this alloy boasts enhanced strength, corrosion resistance, and good thermal conductivity, making it suitable for structural and marine environments.Tell us about your requirement
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