5254-H36 Aluminum alloy,Aluminum 5254-H36 alloy,E FORU

### **5254-H36 Aluminum Alloy Technical Datasheet** **Material Overview** 5254-H36 is a strain-hardened temper variant of the 5254 aluminum-magnesium alloy, offering high strength characteristics while maintaining good corrosion resistance. The H36 temper indicates that the material has been heavily strain-hardened to achieve strength levels approaching three-quarter hard condition, then stabilized to ensure property consistency. This temper provides enhanced mechanical performance for applications requiring substantial strength in corrosive environments, particularly in marine and industrial settings. --- ### **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 | 29-33% IACS | | Thermal Conductivity | 118 - 128 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.7 × 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 | 310 - 360 MPa | 290 MPa | | Yield Strength (0.2% Offset) | 240 - 280 MPa | 235 MPa | | Elongation (50mm) | 8 - 12% | 6% | | Hardness (Brinell) | 85 - 95 HB | - | | Shear Strength | 180 - 210 MPa | - | | Fatigue Strength | 130 - 150 MPa | - | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Marine & Offshore Structures** - High-strength hull components - Deck reinforcement members - Offshore platform structural elements - Submarine pressure hull components - **Pressure Equipment** - High-pressure vessel construction - Compressed gas storage systems - Cryogenic tank structural components - Chemical reactor vessels - **Heavy Transportation** - Truck chassis components - Trailer structural reinforcements - Railway structural members - Marine transport structural parts - **Industrial Applications** - Heavy machinery components - Structural support frames - Equipment mounting systems - Industrial platform reinforcements --- ### **5. International Standards Compliance** | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5254-H36 | | ASTM International | ASTM B209-5254 H36 | | European Standards | EN AW-5254A H36 | | Japanese Standards | JIS A5254 H36 | | International Standards | ISO 6361-2 | --- ### **6. Material Characteristics** **Key Advantages:** - High strength-to-weight ratio - Excellent marine corrosion resistance - Good stress corrosion cracking resistance - Enhanced mechanical properties over H34 temper - Maintains adequate corrosion performance - Suitable for welded construction **Special Features:** - **Corrosion Performance** - Superior seawater corrosion resistance - Excellent performance in marine atmospheres - Good resistance to chemical exposure - Maintains integrity in splash zones - **Mechanical Performance** - Approximately 10-15% stronger than H34 temper - Good fatigue strength - Adequate fracture toughness - Stable properties under load --- ### **7. Processing Characteristics** **Manufacturing Considerations:** - **Forming Operations** - Limited formability due to high strength - Suitable for light to moderate bending - Requires careful handling and proper tooling - Predictable but significant springback - **Welding Technology** - Good weldability with proper procedures - Recommended filler alloys: 5356, 5183 - Pre-heating required for thick sections - Post-weld heat treatment may be beneficial - **Machining** - Good machinability with sharp tools - Requires adequate cooling and lubrication - Produces acceptable surface finish - Suitable for precision machining operations --- ### **8. Quality Assurance** **Testing & Certification:** - Comprehensive mechanical property testing - Chemical composition analysis - Corrosion resistance evaluation - Non-destructive testing - Dimensional verification - Mill test certificates per EN 10204 3.1 --- ### **9. Special Considerations** **Design Guidelines:** - Ideal for high-strength structural applications - Suitable for marine and offshore environments - Excellent for pressure vessel construction - Recommended for heavy transportation equipment **Service Conditions:** - Maintains properties at temperatures up to 150°C - Good performance at cryogenic temperatures - Suitable for dynamic loading applications - Resistant to marine and industrial corrosion --- **Technical Note:** 5254-H36 Aluminum Alloy provides an excellent combination of high strength and maintained corrosion resistance, representing a premium choice for demanding applications in marine, offshore, and pressure vessel industries. The heavily strain-hardened H36 temper offers significantly enhanced mechanical properties while preserving the excellent corrosion characteristics of the 5254 alloy system. This material is particularly valuable for engineers designing components that must withstand both significant structural loads and aggressive environmental conditions, offering reliable long-term performance in challenging service environments.

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 1879 gallon liquid totes Special package is available on request.