5254-H32 Aluminum alloy,Aluminum 5254-H32 alloy,E FORU

### **5254-H32 Aluminum Alloy Technical Datasheet** **Material Overview** 5254-H32 is a strain-hardened and stabilized temper variant of the 5254 aluminum-magnesium alloy, offering an optimal balance of strength, formability, and corrosion resistance. The H32 temper indicates the material has been strain-hardened to a quarter-hard level and then stabilized to achieve consistent mechanical properties. This combination makes it particularly suitable for marine applications, pressure vessels, and structural components where reliability and durability are essential. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 3.1 - 3.9 | | Manganese (Mn) | ≤ 0.50 | | Chromium (Cr) | 0.15 - 0.35 | | Iron (Fe) | ≤ 0.40 | | Silicon (Si) | ≤ 0.25 | | Copper (Cu) | ≤ 0.05 | | Zinc (Zn) | ≤ 0.20 | | Titanium (Ti) | ≤ 0.05 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.66 g/cm³ | | Melting Range | 590 - 645 °C | | Electrical Conductivity | 31-35% IACS | | Thermal Conductivity | 122 - 132 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** | Property | Typical Value | Standard Minimum | |----------|---------------|------------------| | Tensile Strength | 270 - 320 MPa | 250 MPa | | Yield Strength (0.2% Offset) | 200 - 240 MPa | 195 MPa | | Elongation (50mm) | 12 - 16% | 10% | | Hardness (Brinell) | 75 - 85 HB | - | | Shear Strength | 160 - 190 MPa | - | | Fatigue Strength | 120 - 140 MPa | - | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Marine & Shipbuilding** - Hull plating and structures - Deck components - Marine fittings and hardware - Offshore platform structures - **Pressure Vessels** - Storage tanks - Pressure containers - Cryogenic vessels - Chemical processing equipment - **Transportation** - Truck body components - Trailer structures - Railway carriage parts - Automotive structural components - **Industrial Equipment** - Chemical processing vessels - Heat exchangers - Structural frameworks - Machinery components --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5254-H32 | | ASTM International | ASTM B209-5254 H32 | | European Standards | EN AW-5254A H32 | | Japanese Standards | JIS A5254 H32 | | International Standards | ISO 6361-2 | --- ### **6. Material Characteristics** **Key Advantages:** - Excellent corrosion resistance in marine environments - Good strength-to-weight ratio - 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 - **Machining** - Good machinability with proper tools - Produces good surface finish - Suitable for precision machining - Requires adequate cooling and lubrication - **Heat Treatment** - Non-heat-treatable alloy - Properties enhanced by strain hardening only - Can be annealed at 345°C for 2-3 hours if required --- ### **8. Quality Assurance** **Testing & Certification:** - Mechanical property testing - Chemical composition analysis - Corrosion resistance evaluation - Non-destructive testing - Surface quality inspection - Mill test certificates per EN 10204 3.1 --- ### **9. Special Considerations** **Design Guidelines:** - Ideal for welded structures in corrosive environments - Suitable for pressure vessel applications - Excellent for marine and offshore structures - Recommended for chemical processing equipment **Service Conditions:** - Maintains properties at temperatures up to 150°C - Good cryogenic performance down to -196°C - Suitable for continuous outdoor exposure - Resistant to marine and industrial atmospheres --- **Technical Note:** 5254-H32 Aluminum Alloy provides an excellent balance of mechanical properties, corrosion resistance, and manufacturability, making it particularly valuable for marine, pressure vessel, and chemical processing applications. The stabilized H32 temper ensures consistent performance and reliability in demanding service conditions. Its combination of good strength, excellent corrosion resistance, and superior weldability makes it a preferred choice for engineers designing components for aggressive environments where long-term durability is essential.

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 1877 gallon liquid totes Special package is available on request.