5356A Aluminum alloy,Aluminum 5356A alloy,E FORU

# 5356A Aluminum Alloy Technical Datasheet ## Material Overview 5356A Aluminum Alloy is a high-quality, non-heat-treatable aluminum-magnesium alloy specifically designed for welding applications. As an enhanced version of the standard 5356 alloy, it features tighter compositional controls and improved consistency, making it particularly suitable for critical welding operations in marine, automotive, and structural applications where superior weld quality and corrosion resistance are required. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | Notes | |---------|-------------------|-------| | Aluminum (Al) | Balance | High purity base | | Magnesium (Mg) | 4.5 - 5.5 | Primary alloying element | | Manganese (Mn) | 0.05 - 0.20 | Controlled addition | | Chromium (Cr) | 0.05 - 0.20 | Corrosion resistance enhancement | | Iron (Fe) | ≤ 0.40 | Impurity control | | Silicon (Si) | ≤ 0.25 | Impurity control | | Copper (Cu) | ≤ 0.10 | Limited for corrosion resistance | | Zinc (Zn) | ≤ 0.10 | Reduced limit | | Titanium (Ti) | 0.06 - 0.20 | Grain refinement | | Beryllium (Be) | ≤ 0.0008 | Safety control | | Other Elements (Each) | ≤ 0.05 | Tight quality control | | Other Elements (Total) | ≤ 0.15 | Enhanced purity | --- ## 2. Physical Properties | Property | Value | Standard | |----------|-------|----------| | Density | 2.64 g/cm³ | ASTM B193 | | Melting Range | 570 - 635 °C | - | | Electrical Conductivity | 29-33% IACS | ASTM E1004 | | Thermal Conductivity | 117 - 127 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion (20-100°C) | 24.1 × 10⁻⁶/°C | ASTM E228 | | Modulus of Elasticity | 70 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 3. Mechanical Properties (As Welding Wire) | Property | Typical Value | |----------|---------------| | Tensile Strength (Wire) | 270 - 310 MPa | | Yield Strength (Wire) | 130 - 170 MPa | | Elongation (Wire) | 18 - 22% | | Hardness (Vickers) | 75 - 85 HV | --- ## 4. Technical Applications ### Primary Application Sectors: - **Marine & Offshore Welding** - Ship hull fabrication and repair - Offshore platform construction - Marine structure welding - Boat building and repair - **Automotive Industry** - Vehicle frame welding - Body structure fabrication - Chassis component joining - Automotive repair applications - **Structural Engineering** - Bridge construction welding - Building structure fabrication - Heavy equipment manufacturing - Structural component joining - **Pressure Vessel Fabrication** - Tank welding applications - Pressure vessel construction - Pipeline welding - Storage container fabrication --- ## 5. International Standards Compliance | Standard Organization | Designation | Application | |----------------------|-------------|-------------| | ISO Standards | ISO 18273: S Al 5356 (A) | International welding wire standard | | European Standards | EN ISO 18273: S Al 5356 | European welding consumables | | American Welding Society | AWS A5.10: ER5356 | American welding electrode specification | | ASTM International | ASTM B211/B211M | Aluminum alloy bar standard | | German Standards | DIN 1732: S Al 5356 | German welding material standard | --- ## 6. Material Characteristics ### Key Advantages: - Excellent arc stability during welding - Superior weld metal fluidity and bead appearance - Good corrosion resistance matching base metals - Minimal weld porosity and defects - Excellent mechanical properties in welded condition - Good crack resistance in welds ### Special Features: - **Welding Performance** - Smooth arc characteristics - Easy slag removal - Good wetting action - Minimal spatter generation - Excellent deposition efficiency - **Corrosion Performance** - Good marine corrosion resistance - Compatible with most 5xxx and 6xxx base alloys - Suitable for saltwater applications - Good stress corrosion cracking resistance --- ## 7. Processing Characteristics ### Welding Considerations: - **Welding Processes** - Gas Metal Arc Welding (GMAW/MIG) - Gas Tungsten Arc Welding (GTAW/TIG) - Plasma Arc Welding (PAW) - Suitable for automated welding systems - **Shielding Gases** - Argon (most common) - Argon-Helium mixtures - Pure Helium (for deeper penetration) - **Storage and Handling** - Moisture-resistant packaging - Recommended storage: dry conditions - Shelf life: 2 years in original packaging - Re-drying: 120°C for 1-2 hours if needed --- ## 8. Quality Assurance ### Testing & Certification: - Chemical composition verification - Wire diameter and surface quality inspection - Welding performance testing - Mechanical property verification - Certification to international standards - Batch traceability maintained ### Special Quality Features: - Consistent wire diameter tolerance - Clean surface finish - Uniform chemical composition - Reliable feeding characteristics - Minimal surface oxidation --- ## Technical Note 5356A Aluminum Alloy represents a premium quality welding filler metal specifically engineered for high-performance welding applications. The "A" designation indicates enhanced quality controls and tighter compositional tolerances compared to standard 5356 alloy. This alloy is particularly valued for its excellent welding characteristics, good color match after anodizing, and compatibility with a wide range of aluminum base metals. Its combination of good strength, excellent corrosion resistance, and superior welding performance makes it the preferred choice for critical welding applications in marine, automotive, and structural industries where weld quality and long-term reliability are paramount.

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 1892 gallon liquid totes Special package is available on request.