5454-H34 Aluminum alloy,Aluminum 5454-H34 alloy,E FORU

# 5454-H34 Aluminum Alloy Technical Datasheet ## Material Overview 5454-H34 is a strain-hardened and stabilized temper variant of the 5454 aluminum-magnesium alloy, offering enhanced strength characteristics while maintaining good corrosion resistance and adequate formability. The H34 temper indicates that the material has been strain-hardened beyond the quarter-hard level (H32) and then stabilized to ensure consistent mechanical properties. This temper provides improved mechanical performance for applications requiring higher strength in marine and industrial environments. --- ## 1. Chemical Composition (Weight %) | Element | Composition Range | |---------|-------------------| | Aluminum (Al) | Balance | | Magnesium (Mg) | 2.4 - 3.0 | | Manganese (Mn) | 0.50 - 1.0 | | Chromium (Cr) | 0.05 - 0.20 | | Iron (Fe) | ≤ 0.40 | | Silicon (Si) | ≤ 0.25 | | Copper (Cu) | ≤ 0.10 | | Zinc (Zn) | ≤ 0.25 | | Titanium (Ti) | ≤ 0.20 | | Other Elements (Each) | ≤ 0.05 | | Other Elements (Total) | ≤ 0.15 | --- ## 2. Physical Properties | Property | Value | |----------|-------| | Density | 2.69 g/cm³ | | Melting Range | 600 - 645 °C | | Electrical Conductivity | 30-34% IACS | | Thermal Conductivity | 122 - 132 W/m·K | | Coefficient of Thermal Expansion (20-100°C) | 23.8 × 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 | 270 - 320 MPa | 250 MPa | | Yield Strength (0.2% Offset) | 200 - 240 MPa | 195 MPa | | Elongation (50mm) | 10 - 14% | 8% | | Hardness (Brinell) | 75 - 85 HB | - | | Shear Strength | 160 - 190 MPa | - | | Fatigue Strength | 120 - 140 MPa | - | --- ## 4. Technical Applications ### Primary Application Sectors: - **Marine & Offshore Engineering** - Ship hull reinforcements - Deck structural members - Offshore platform components - Marine pressure hulls - **Pressure Vessels & Tanks** - High-pressure containers - Storage tank structural components - Cryogenic vessel reinforcements - Chemical processing equipment - **Transportation Industry** - Heavy-duty truck components - Trailer structural members - Railway carriage reinforcements - Marine transport equipment - **Industrial Machinery** - Heavy equipment components - Structural support members - Machinery frames and bases - Industrial platform structures --- ## 5. International Standards Compliance | Standard Organization | Designation | |----------------------|-------------| | Aluminum Association | AA 5454-H34 | | ASTM International | ASTM B209-5454 H34 | | European Standards | EN AW-5454 H34 | | Japanese Standards | JIS A5454 H34 | | International Standards | ISO 6361-2 | --- ## 6. Material Characteristics ### Key Advantages: - Enhanced strength compared to H32 temper - Excellent corrosion resistance in seawater - Good stress corrosion cracking resistance - Maintains adequate formability for fabrication - Superior weldability with proper procedures - Stable mechanical properties over time ### Special Features: - **Corrosion Performance** - Outstanding marine corrosion resistance - Excellent performance in saltwater immersion - Good resistance to chemical environments - Suitable for offshore and coastal applications - **Mechanical Performance** - Approximately 10-15% stronger than H32 temper - Good fatigue resistance - Adequate toughness for structural applications - Consistent properties in various product forms --- ## 7. Processing Characteristics ### Manufacturing Considerations: - **Forming Operations** - Moderate formability capabilities - Suitable for controlled bending operations - Predictable springback characteristics - Requires proper tooling and techniques - **Welding Technology** - Good weldability using standard methods - Recommended filler alloys: 5356, 5183 - Pre-heating recommended for thick sections - Good weld metal mechanical properties - **Machining** - Good machinability with sharp tools - Requires adequate cooling - Produces acceptable surface finish - Suitable for most machining operations --- ## 8. Quality Assurance ### Testing & Certification: - Comprehensive mechanical testing - Chemical composition verification - Corrosion resistance evaluation - Non-destructive testing capability - Dimensional accuracy inspection - Mill test certificates per EN 10204 3.1 --- ## Technical Note 5454-H34 Aluminum Alloy provides an optimal combination of enhanced strength and maintained corrosion resistance, making it particularly suitable for demanding applications in marine, offshore, and pressure vessel industries. The stabilized H34 temper ensures reliable performance in aggressive environments while offering improved mechanical properties over the H32 condition. This alloy represents an excellent choice for engineers seeking to balance structural requirements with long-term durability in corrosive service conditions. The material's proven performance in marine applications and its ability to maintain structural integrity under demanding conditions make it a preferred choice for critical engineering applications.

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 1903 gallon liquid totes Special package is available on request.