5154-H38 Aluminum alloy,Aluminum 5154-H38 alloy,E FORU

### **5154-H38 Aluminum Alloy Technical Datasheet** **Material Overview** 5154-H38 represents the full-hard temper condition of the 5154 aluminum-magnesium alloy system. This temper achieves maximum strength through severe strain hardening while maintaining the excellent corrosion resistance inherent to the 5xxx series alloys. The H38 condition provides the highest mechanical properties available in the 5154 alloy system while retaining adequate ductility for structural applications. --- ### **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) | ≤ 0.50 | | Silicon (Si) | ≤ 0.50 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.20 | | Titanium (Ti) | ≤ 0.20 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value | |----------|-------| | Density | 2.66 g/cm³ | | Melting Range | 590 - 650 °C | | Electrical Conductivity | 30-34% IACS | | Thermal Conductivity | 120 - 130 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 | 350 - 400 MPa | 330 MPa | | Yield Strength (0.2% Offset) | 270 - 320 MPa | 270 MPa | | Elongation (50mm) | 5 - 8% | 4% | | Hardness (Brinell) | 90 - 100 HB | - | | Shear Strength | 210 - 250 MPa | - | | Fatigue Strength | 150 - 170 MPa | - | | Bearing Yield Strength | 510 - 570 MPa | - | --- ### **4. Technical Applications** **Primary Application Sectors:** - **Marine & Offshore Engineering** - High-stress marine structural components - Ship hull reinforcements - Offshore platform structural members - Marine crane components - **Transportation Industry** - Heavy-duty truck chassis components - Trailer structural reinforcements - Bus framework elements - Railway carriage structural parts - **Pressure Equipment** - High-pressure vessel construction - Compressed gas storage systems - Process industry pressure containers - **Industrial Machinery** - Heavy-duty equipment frames - Structural support members - Machinery platforms and bases --- ### **5. International Standards Compliance** | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | ASTM International | ASTM B209-5154 H38 | Sheet and Plate | | European Standards | EN AW-5154A H38 | EN 485-2 | | International Standards | AlMg3.5 H38 | ISO 6361-2 | | Japanese Standards | A5154 H38 | JIS H4000 | | Chinese Standards | 5A54 H38 | GB/T 3880.2 | --- ### **6. Material Characteristics** **Key Advantages:** - Maximum strength in the 5154 alloy system - Excellent corrosion resistance in marine environments - Good structural stability and fatigue performance - Maintains corrosion resistance despite high strength level - Suitable for high-stress structural applications **Processing Considerations:** - **Welding**: Requires careful procedure control - Recommended processes: GTAW, GMAW - Filler materials: 5356, 5183 alloys - Pre-heating may be required for thick sections - **Forming** - Limited formability compared to softer tempers - Minimum bend radii must be strictly observed - Springback significant due to high strength - **Machining** - Requires sharp tools with positive rake angles - Adequate chip clearance essential - Proper cooling and lubrication recommended --- ### **7. Quality Assurance** **Standard Testing Protocol:** - Tensile testing per ASTM E8/E8M - Hardness testing (Brinell scale) - Chemical analysis verification - Corrosion resistance testing per ASTM G67 - Ultrasonic examination for internal quality - Dimensional compliance verification **Certification & Traceability:** - Mill test certificates per EN 10204 3.1/3.2 - Full material traceability maintained - Compliance certificates for applicable standards - Third-party inspection acceptance --- ### **8. Special Considerations** **Design Limitations:** - Not recommended for severe forming operations - Welding may require post-weld heat treatment for critical applications - Limited cold work capability beyond H38 condition - Stress relief annealing may be necessary after severe fabrication **Environmental Performance:** - Excellent marine atmosphere resistance - Good performance in industrial environments - Suitable for cryogenic service applications - Maintains properties at elevated temperatures up to 150°C --- **Technical Note:** This datasheet provides characteristic values and typical properties. For specific application engineering and detailed design calculations, consultation with our technical engineering team is recommended. Properties may vary based on product form, manufacturing processes, and specific lot characteristics.

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 1851 gallon liquid totes Special package is available on request.