5083-H32; 5083-H323 Aluminum alloy,Aluminum 5083-H32; 5083-H323 alloy,E FORU

# Technical Datasheet: 5083-H32 / 5083-H323 Aluminum Alloy --- ## 1. Material Overview **5083-H32** and **5083-H323** are strain-hardened tempers of the aluminum-magnesium alloy 5083, designed to provide a balance of strength, corrosion resistance, and formability. The H32 temper is stabilized by low-temperature heating, while H323 is a variation with specific stabilization to enhance performance in certain environments. Both are widely used in marine and structural applications. --- ## 2. Chemical Composition (Weight %) | Element | Content (%) | Role in the Alloy | |---------|-------------|-------------------| | Al | Balance | Base metal | | Mg | 4.0–4.9 | Primary strengthening element | | Mn | 0.40–1.0 | Grain refinement and strength enhancement | | Cr | 0.05–0.25 | Stress corrosion resistance | | Cu | ≤0.10 | Impurity control | | Fe | ≤0.40 | Impurity control | | Si | ≤0.40 | Impurity control | | Zn | ≤0.25 | Impurity control | | Ti | ≤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 | 590–640 °C | - | | Electrical Conductivity | 29–34% IACS | ASTM B193 | | Thermal Conductivity | 117–127 W/m·K | ASTM E1461 | | Coefficient of Thermal Expansion | 23.8 × 10⁻⁶/K (20–100°C) | ASTM E228 | | Modulus of Elasticity | 70.0 GPa | ASTM E111 | | Specific Heat Capacity | 900 J/kg·K | - | --- ## 4. Mechanical Properties (Typical) | Property | 5083-H32 | 5083-H323 | Test Standard | |----------|-----------|-----------|---------------| | Tensile Strength (MPa) | 295–345 | 300–350 | ASTM B557 | | Yield Strength (MPa) | 200–250 | 210–260 | ASTM B557 | | Elongation (%) | 10–16 | 10–16 | ASTM B557 | | Hardness (HB) | 80–95 | 85–100 | ASTM E10 | | Shear Strength (MPa) | 180–200 | 185–205 | ASTM B831 | --- ## 5. Key Characteristics - **Excellent Corrosion Resistance**: Outstanding performance in marine and industrial environments. - **Good Strength-to-Weight Ratio**: Ideal for lightweight structural applications. - **Superior Weldability**: Retains mechanical properties in welded conditions. - **Moderate Formability**: Suitable for bending and forming operations. - **Stress Corrosion Cracking Resistance**: Enhanced stability in aggressive environments. --- ## 6. Processing Characteristics **Forming Operations**: - Good for bending and roll forming. - Moderate springback requiring compensation. - Suitable for machining with standard tools. **Joining Methods**: - GTAW (TIG) and GMAW (MIG): Excellent with 5183 or 5356 filler. - Resistance Welding: Good results. - Mechanical Fastening: Excellent for riveting and bolting. **Surface Treatments**: - Anodizing: Very good results. - Chemical Conversion Coatings: Excellent corrosion protection. - Painting and Powder Coating: Superior adhesion and finish. --- ## 7. Product Applications **Marine & Offshore**: - Ship hulls and superstructures. - Deck plates and marine fittings. - Offshore platform components. **Transportation**: - Railway carriage bodies. - Truck trailers and heavy-duty vehicle components. **Industrial Applications**: - Pressure vessels and storage tanks. - Chemical processing equipment. - Structural frames and platforms. **Architectural Uses**: - Building facades and roofing. - Bridges and walkways. --- ## 8. Available Forms & Sizes - **Sheet**: 0.5 mm to 6.0 mm thickness. - **Plate**: 6 mm to 150 mm thickness. - **Coil**: Up to 1500 mm width. - **Extrusions**: Custom profiles and sizes. --- ## 9. International Standards | Standard Organization | H32 Designation | H323 Designation | |----------------------|------------------|------------------| | Aluminum Association | AA 5083-H32 | AA 5083-H323 | | ASTM International | ASTM B209-5083H32 | ASTM B209-5083H323 | | EN Standard | EN AW-5083-H32 | EN AW-5083-H323 | | ISO Standard | AlMg4.5Mn0.7-H32 | AlMg4.5Mn0.7-H323 | | JIS Standard | A5083-H32 | A5083-H323 | --- ## 10. Special Properties - **Marine Durability**: Exceptional resistance to saltwater corrosion. - **Cryogenic Performance**: Maintains toughness at low temperatures. - **Fatigue Resistance**: Suitable for dynamic and cyclic loading applications. - **Recyclability**: Fully recyclable without loss of properties. --- ## 11. Quality Assurance - Certified chemical composition and mechanical properties. - Non-destructive testing (UT, RT) as required. - Surface quality and dimensional inspections. - Third-party certifications available. --- ## 12. Design Considerations - **Weight Savings**: Approximately 65% lighter than steel. - **Corrosion Resistance**: Reduced need for protective coatings in marine environments. - **Weldability**: Minimal loss of strength in heat-affected zones (HAZ). - **Temperature Range**: Suitable for use between -196°C and +65°C. --- ## 13. Comparative Analysis | Property | 5083-H32 | 5083-H323 | 5083-H112 | |----------|-----------|-----------|------------| | Yield Strength (MPa) | 200–250 | 210–260 | 125–165 | | Corrosion Resistance | Excellent | Excellent | Excellent | | Formability | Good | Good | Moderate | | Applications | Marine, transportation | Marine, structural | General purpose | --- *Note: 5083-H32 and 5083-H323 aluminum alloys are versatile materials offering an optimal balance of strength, corrosion resistance, and manufacturability. These tempers are particularly suited for marine, transportation, and structural applications where durability and performance are critical. The H323 variant provides slight improvements in stability and performance for specialized uses.*

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 1824 gallon liquid totes Special package is available on request.