5088 Aluminum alloy,Aluminum 5088 alloy,E FORU

# Technical Datasheet: 5088 Aluminum Alloy --- ## 1. Material Overview **5088 Aluminum Alloy** is a high-strength aluminum-magnesium alloy known for its exceptional combination of mechanical properties and superior corrosion resistance. As part of the 5xxx series, this non-heat-treatable alloy is strengthened through solid solution hardening and strain hardening. It is particularly valued for its excellent performance in marine environments and structural applications requiring both strength and durability. --- ## 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 5.0–6.0 | Primary strengthening element | | Mn | 0.40–0.90 | Grain refinement and strength enhancement | | Cr | 0.05–0.25 | Stress corrosion resistance | | Zr | 0.10–0.25 | Grain structure control | | Cu | ≤0.05 | Impurity control | | Fe | ≤0.30 | Impurity control | | Si | ≤0.25 | Impurity control | | Zn | 0.80–1.40 | Strength enhancement | | Ti | 0.05–0.15 | Grain refinement | | Others (each) | ≤0.05 | - | | Others (total) | ≤0.15 | - | --- ## 3. Physical Properties | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | ASTM B193 | | Melting Range | 570–640 °C | - | | Electrical Conductivity | 22–27% IACS | ASTM B193 | | Thermal Conductivity | 100–110 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.9 × 10⁻⁶/K (20–100°C) | ASTM E228 | | Modulus of Elasticity | 70.5 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 4. Mechanical Properties (Typical by Temper) | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | O | 290–340 | 130–170 | 18–24 | | H116 | 380–430 | 290–330 | 10–14 | | H321 | 360–410 | 270–310 | 12–16 | | H381 | 410–460 | 340–380 | 8–12 | --- ## 5. Key Characteristics - **Exceptional Strength**: One of the strongest aluminum-magnesium alloys available - **Superior Corrosion Resistance**: Outstanding performance in marine and chemical environments - **Excellent Weldability**: Maintains good properties in welded condition with proper procedures - **Stress Corrosion Cracking Resistance**: Enhanced resistance through optimized chemistry - **Good Fatigue Performance**: Suitable for dynamic loading applications - **Cryogenic Toughness**: Maintains excellent properties at low temperatures --- ## 6. Processing Characteristics **Forming Operations**: - Good formability in annealed condition - Suitable for cold working operations - Moderate springback in strain-hardened tempers - Requires more forming force than lower-strength alloys **Joining Methods**: - GTAW (TIG): Excellent with 5183 or 5356 filler - GMAW (MIG): Excellent results - Friction Stir Welding: Very good - Electron Beam Welding: Suitable - Mechanical Fastening: Excellent **Surface Treatments**: - Anodizing: Very good results - Chemical Conversion Coatings: Excellent corrosion protection - Painting: Good adhesion with proper preparation - Powder Coating: Excellent finish quality - Electroplating: Suitable with special preparation --- ## 7. Product Applications **Marine & Offshore**: - High-performance boat hulls - Ship superstructures and deckhouses - Offshore platform structural components - Submarine pressure hulls **Aerospace & Defense**: - Aircraft structural components - Missile and rocket structures - Military vehicle armor - Defense system components **Transportation**: - High-speed train components - Heavy-duty truck frames - Special vehicle structures - Marine transport equipment **Industrial Applications**: - Pressure vessels - Cryogenic storage tanks - Chemical processing equipment - High-performance structural frames --- ## 8. Available Forms & Sizes - Plate: 3–200 mm thickness - Sheet: 0.5–6.0 mm thickness - Extrusions: Various profiles - Forgings: Custom shapes - Welding Wire: Special diameters for specific applications --- ## 9. International Standards | Standard Organization | Designation | Specification | |----------------------|-------------|---------------| | Aluminum Association | AA 5088 | AA-50 | | ASTM International | ASTM B209-5088 | ASTM B209 | | EN Standard | EN AW-5088 | EN 573-3 | | ISO Standard | AlMg5Zn1 | ISO 209 | | DIN Standard | AlMg5Mn1Zn1 | DIN 1725-1 | --- ## 10. Special Properties - **Seawater Resistance**: Exceptional long-term performance in saltwater environments - **Weld Strength Efficiency**: High joint efficiency (>90%) in welded structures - **Impact Toughness**: Excellent energy absorption capacity - **Thermal Stability**: Good properties retention at elevated temperatures - **Fracture Toughness**: Superior resistance to crack propagation - **Fire Resistance**: Non-combustible with high melting point --- ## 11. Quality Assurance - Stringent chemical composition control - Mechanical properties certification - Non-destructive testing (UT, RT) - Microstructural examination - Corrosion testing per ASTM G67 and G66 - Third-party quality verification --- ## 12. Design Considerations - **Weight Reduction**: Approximately 65% lighter than steel - **Corrosion Performance**: Reduced maintenance requirements in harsh environments - **Structural Efficiency**: High strength-to-weight ratio for optimized designs - **Temperature Range**: Suitable for service from -196°C to +80°C - **Life Cycle Cost**: Economical long-term performance --- ## 13. Comparative Performance | Property | 5088 vs 5083 | 5088 vs 5087 | |----------|--------------|--------------| | Tensile Strength | 15–20% higher | 5–10% higher | | Yield Strength | 20–25% higher | 8–12% higher | | Corrosion Resistance | Comparable excellent | Comparable excellent | | Cost Effectiveness | Premium | Moderate premium | --- *Note: 5088 aluminum alloy represents a premium high-strength aluminum-magnesium alloy with optimized chemistry for the most demanding applications. Its superior combination of strength, corrosion resistance, and weldability makes it particularly valuable for critical marine, aerospace, and defense applications where performance and reliability are paramount. The alloy's enhanced properties justify its selection for applications where lower-strength alloys would require thicker sections or additional reinforcement.*

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 1834 gallon liquid totes Special package is available on request.