5283B Aluminum alloy,Aluminum 5283B alloy,E FORU

### **5283B Aluminum Alloy Technical Datasheet** **Material Overview** 5283B Aluminum Alloy is a specialized high-strength aluminum-magnesium alloy from the 5xxx series, representing a further refinement of the 5283 alloy family with enhanced properties for extreme service conditions. This alloy variant features optimized chemical composition with strict impurity controls, delivering superior performance in critical marine, defense, and structural applications where maximum reliability and corrosion resistance are required. --- ### **1. Chemical Composition (Weight %)** | Element | Composition Range | Special Notes | |---------|-------------------|---------------| | Aluminum (Al) | Balance | High purity (99.80% min) | | Magnesium (Mg) | 4.5 - 5.0 | Precision controlled | | Manganese (Mn) | 0.70 - 0.90 | Enhanced strengthening | | Chromium (Cr) | 0.15 - 0.25 | Optimized corrosion resistance | | Iron (Fe) | ≤ 0.20 | Ultra-low limit | | Silicon (Si) | ≤ 0.15 | Strictly controlled | | Copper (Cu) | ≤ 0.02 | Ultra-low for maximum corrosion resistance | | Zinc (Zn) | ≤ 0.10 | Reduced limit | | Zirconium (Zr) | 0.10 - 0.20 | Grain refinement addition | | Titanium (Ti) | 0.08 - 0.15 | Enhanced grain control | | Other Elements (Each) | ≤ 0.02 | Ultra-tight control | | Other Elements (Total) | ≤ 0.08 | Maximum purity | --- ### **2. Physical Properties** | Property | Value | Test Standard | |----------|-------|---------------| | Density | 2.66 g/cm³ | ASTM B193 | | Melting Range | 580 - 640 °C | - | | Electrical Conductivity | 29-33% IACS | ASTM E1004 | | Thermal Conductivity | 118 - 128 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/°C | ASTM E228 | | Modulus of Elasticity | 70 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ### **3. Mechanical Properties** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Impact Toughness (J) | |--------|------------------------|----------------------|----------------|---------------------| | O | 300 - 350 | 150 - 190 | 22 - 26 | ≥ 40 | | H32 | 340 - 390 | 270 - 310 | 16 - 20 | ≥ 35 | | H34 | 360 - 410 | 290 - 330 | 14 - 18 | ≥ 30 | | H116 | 300 - 350 | 150 - 190 | 20 - 24 | ≥ 38 | --- ### **4. Technical Applications** **Premium Critical Applications:** - **Naval & Defense** - Nuclear submarine pressure hulls - Naval surface vessel structures - Military amphibious vehicles - Defense system components - **Aerospace & Aviation** - Aircraft fuel systems - Space vehicle components - Helicopter structural parts - Aviation fuel tanks - **Energy Sector** - Offshore wind turbine structures - Nuclear power components - LNG storage and transport - Hydrogen energy systems - **Special Transportation** - High-speed marine vessels - Luxury yacht structures - Special vehicle armor - Railway critical components --- ### **5. International Standards Compliance** | Standard Organization | Designation | Special Requirements | |----------------------|-------------|---------------------| | European Standards | EN AW-5283B | EN 485-2 with enhanced testing | | ASTM International | ASTM B928 | Grade B special quality | | ISO Standards | ISO 6361-2 | AlMg4.8Mn0.8Zr | | Naval Standards | MIL-DTL-46027 | Special grade | | Aerospace Standards | AMS 4355 | Premium grade | --- ### **6. Material Characteristics** **Premium Advantages:** - Exceptional corrosion resistance in extreme marine environments - Superior stress corrosion cracking resistance - Enhanced fracture toughness and impact resistance - Excellent cryogenic performance down to -269°C - Superior fatigue strength and durability - Consistent ultra-high quality standards **Advanced Features:** - **Microstructural Control** - Fine grain structure with zirconium addition - Controlled recrystallization behavior - Enhanced mechanical properties - Improved damage tolerance - **Corrosion Performance** - Exceptional pitting corrosion resistance - Superior intergranular corrosion resistance - Excellent performance in polluted seawater - Outstanding long-term durability --- ### **7. Processing Characteristics** **Advanced Manufacturing:** - **Welding Excellence** - Superior weld metal properties - Minimal heat-affected zone softening - Excellent crack resistance - Premium quality weld appearance - **Forming Technology** - Controlled forming characteristics - Predictable springback behavior - Good stretch forming capability - Suitable for complex geometries - **Quality Assurance** - Advanced ultrasonic testing compatibility - Enhanced radiographic inspection - Superior surface quality standards | Consistent mechanical properties --- ### **8. Quality Assurance & Certification** **Enhanced Testing Protocol:** - Advanced chemical analysis with reduced tolerances - Comprehensive mechanical testing at multiple temperatures - Enhanced corrosion testing per ASTM G67 and G44 - Fracture toughness testing per ASTM E399 - Weld procedure qualification with enhanced requirements - Third-party certification mandatory **Certification Standards:** - EN 10204 3.2 Certification with extended scope - Full traceability from raw material to final product - Special military and aerospace qualifications - Enhanced documentation and reporting --- ### **9. Special Considerations** **Design & Application:** - Critical safety components - Extreme environment applications - Long-life cycle designs (25+ years) - High-reliability structural systems **Performance Specifications:** - Operating temperature range: -269°C to 150°C - Superior performance in polluted marine environments - Excellent radiation resistance for nuclear applications - Outstanding performance in hydrogen service --- **Technical Note:** 5283B Aluminum Alloy represents the pinnacle of aluminum-magnesium alloy technology, specifically engineered for the most demanding applications where failure is not an option. The ultra-tight chemical controls, advanced grain refinement technology, and enhanced manufacturing processes ensure unparalleled performance in critical naval, aerospace, and energy applications. This alloy sets new standards for reliability, durability, and performance in extreme service conditions, making it the material of choice for engineers designing next-generation marine vessels, aerospace systems, and energy infrastructure where maximum safety and long-term performance are paramount requirements.

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 1885 gallon liquid totes Special package is available on request.