5483 Aluminum alloy,Aluminum 5483 alloy,E FORU

# 5483 Aluminum Alloy Technical Datasheet ## Material Overview 5483 Aluminum Alloy is a high-strength, non-heat-treatable aluminum-magnesium alloy from the 5xxx series, specifically designed for applications requiring excellent mechanical properties and superior corrosion resistance in marine environments. This alloy offers enhanced strength characteristics and outstanding performance in welded structures, making it particularly suitable for offshore, marine, and cryogenic applications. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 4.0 - 5.0 | | Manganese (Mn) | 0.70 - 1.10 | | Chromium (Cr) | 0.05 - 0.25 | | Iron (Fe) | ≤ 0.25 | | Silicon (Si) | ≤ 0.25 | | Copper (Cu) | ≤ 0.05 | | Zinc (Zn) | ≤ 0.20 | | Zirconium (Zr) | 0.05 - 0.15 | | Titanium (Ti) | ≤ 0.10 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ## 2. Physical Properties | Property | Value | |----------|-------| | Density | 2.66 g/cm³ | | Melting Range | 575 - 640 °C | | Electrical Conductivity | 28-32% IACS | | Thermal Conductivity | 116 - 126 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 24.0 × 10⁻⁶/°C | | Modulus of Elasticity | 70 GPa | | Specific Heat Capacity | 900 J/kg·K | --- ## 3. Mechanical Properties | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 280 - 330 | 130 - 170 | 18 - 22 | | H32 | 320 - 370 | 240 - 280 | 12 - 16 | | H34 | 340 - 390 | 260 - 300 | 10 - 14 | | H116 | 280 - 330 | 130 - 170 | 16 - 20 | --- ## 4. Technical Applications ### Primary Application Sectors: - **Offshore & Marine Engineering** - Offshore platform structures - Ship hulls and superstructures - Marine pressure vessels - Submarine components - **Cryogenic Applications** - LNG storage tanks - Cryogenic containment systems - Low-temperature pressure vessels - Industrial gas storage - **Pressure Vessels** - High-pressure containers - Chemical reactors - Storage tanks - Process equipment - **Structural Applications** - Bridge components - Heavy structural frameworks - Industrial machinery - Transportation equipment --- ## 5. International Standards Compliance | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5483 | | ASTM International | ASTM B928/B928M | | European Standards | EN AW-5483 | | International Standards | ISO 6361-2 | | Norwegian Standards | NORSOK M-6301 | --- ## 6. Material Characteristics ### Key Advantages: - High strength-to-weight ratio - Excellent corrosion resistance in seawater - Superior stress corrosion cracking resistance - Good weldability with minimal strength loss - Excellent cryogenic toughness - Enhanced fatigue performance ### Special Features: - **Cryogenic Performance** - Excellent toughness at low temperatures - Suitable for LNG applications down to -196°C - Good impact resistance at cryogenic temperatures - Stable mechanical properties - **Marine Corrosion Resistance** - Outstanding seawater corrosion resistance - Excellent performance in marine atmospheres - Good resistance to biofouling - Suitable for splash zone applications --- ## 7. Processing Characteristics ### Manufacturing Considerations: - **Welding Technology** - Excellent weldability using MIG and TIG processes - Recommended filler metals: ER5183, ER5356 - Minimal strength loss in heat-affected zone - Good weld metal mechanical properties - **Forming Operations** - Good cold working capability - Suitable for moderate forming operations - Predictable springback characteristics - Best formability in annealed condition - **Machining** - Good machinability with proper tools - Requires adequate cooling - Produces acceptable surface finish - Suitable for precision machining --- ## 8. Quality Assurance ### Testing & Certification: - Mechanical property testing - Chemical composition analysis - Corrosion resistance testing per ASTM standards - Cryogenic toughness evaluation - Fracture toughness testing - Mill test certificates per EN 10204 3.2 ### Special Testing Requirements: - Charpy V-notch testing at low temperatures - CTOD testing for fracture toughness - Stress corrosion cracking evaluation - Weld procedure qualification --- ## Technical Note 5483 Aluminum Alloy represents a premium marine-grade aluminum solution specifically engineered for demanding offshore, marine, and cryogenic applications. Its optimized chemical composition, particularly the zirconium addition for grain refinement, provides enhanced mechanical properties while maintaining excellent corrosion resistance. The alloy demonstrates exceptional performance in LNG and cryogenic applications, maintaining high toughness and structural integrity at extremely low temperatures. Its combination of high strength, superior corrosion resistance, and excellent weldability makes it particularly valuable for critical structural applications where reliability and long-term performance in aggressive environments are essential requirements. The alloy's proven performance in offshore and cryogenic service conditions has established it as a preferred material for advanced engineering applications in the energy and marine sectors.

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1917 gallon liquid totes Special package is available on request.