5554 Aluminum alloy,Aluminum 5554 alloy,E FORU

# 5554 Aluminum Alloy Technical Datasheet ## Material Overview 5554 Aluminum Alloy is a medium-strength, non-heat-treatable aluminum-magnesium alloy from the 5xxx series, specifically designed for applications requiring excellent corrosion resistance and good mechanical properties. This alloy is particularly suitable for marine environments, pressure vessels, and welded structures where reliability and durability in corrosive conditions are essential requirements. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 2.4 - 3.0 | | Manganese (Mn) | 0.50 - 1.0 | | Chromium (Cr) | 0.05 - 0.20 | | Iron (Fe) | ≤ 0.40 | | Silicon (Si) | ≤ 0.25 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.20 | | Titanium (Ti) | ≤ 0.05 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ## 2. Physical Properties | Property | Value | |----------|-------| | Density | 2.69 g/cm³ | | Melting Range | 600 - 645 °C | | Electrical Conductivity | 32-36% IACS | | Thermal Conductivity | 125 - 135 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.8 × 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 | 210 - 260 | 100 - 140 | 20 - 25 | | H32 | 260 - 310 | 190 - 230 | 14 - 18 | | H34 | 280 - 330 | 210 - 250 | 12 - 16 | | H112 | 210 - 260 | 100 - 140 | 18 - 22 | --- ## 4. Technical Applications ### Primary Application Sectors: - **Marine & Offshore** - Ship hulls and superstructures - Marine fittings and hardware - Offshore platform components - Deck plating and structures - **Pressure Vessels** - Storage tanks - Pressure containers - Cryogenic vessels - Chemical processing equipment - **Transportation** - Truck body components - Trailer structures - Railway carriage parts - Automotive structural components - **Welded Structures** - Bridge components - Structural frameworks - Industrial equipment - Machinery components --- ## 5. International Standards Compliance | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5554 | | ASTM International | ASTM B209-5554 | | European Standards | EN AW-5554 | | Japanese Standards | JIS A5554 | | International Standards | ISO 6361-2 | --- ## 6. Material Characteristics ### Key Advantages: - Good strength-to-weight ratio - Excellent corrosion resistance in marine environments - Superior stress corrosion cracking resistance - Excellent weldability - Good formability and machinability - Stable mechanical properties ### Special Features: - **Corrosion Performance** - Outstanding seawater corrosion resistance - Excellent performance in marine atmospheres - Good resistance to chemical environments - Suitable for continuous saltwater immersion - **Welding Characteristics** - Excellent weldability using conventional methods - Recommended filler wires: 5356, 5183 - Minimal strength loss in heat-affected zone - Good weld metal properties --- ## 7. Processing Characteristics ### Manufacturing Considerations: - **Forming Operations** - Good cold working capability - Suitable for moderate bending and forming - Predictable springback characteristics - Adequate for most structural applications - **Welding Technology** - Excellent for MIG and TIG welding - Suitable for automated welding processes - Good weld bead appearance - Minimal porosity in welds - **Machining** - Good machinability with proper tools - Requires adequate cooling - Produces acceptable surface finish - Suitable for most machining operations --- ## 8. Quality Assurance ### Testing & Certification: - Mechanical property testing - Chemical composition analysis - Corrosion resistance testing - Weld procedure qualification - Non-destructive testing capability - Mill test certificates per EN 10204 3.1 --- ## Technical Note 5554 Aluminum Alloy provides an excellent balance of mechanical properties, corrosion resistance, and manufacturability, making it particularly valuable for marine applications, pressure vessels, and structural components. The alloy maintains good strength characteristics while offering superior weldability and excellent corrosion resistance, making it a preferred choice for engineers designing components for aggressive environments where both structural integrity and long-term durability are critical requirements. The alloy's proven performance in marine and industrial applications has established it as a reliable material solution for challenging engineering applications.

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 1919 gallon liquid totes Special package is available on request.