3004-H34 Aluminum alloy,Aluminum 3004-H34 alloy,E FORU

### **Aluminum 3004-H34 Alloy Product Introduction** **Aluminum 3004-H34** is a strain-hardened aluminum-manganese-magnesium alloy in an intermediate hard temper condition. The H34 designation indicates the material has been cold worked to a level between H32 and H36 tempers, providing enhanced strength characteristics while maintaining adequate formability for various manufacturing processes. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 1.0 - 1.5 | | **Magnesium (Mg)** | 0.8 - 1.3 | | **Iron (Fe)** | 0.7 max | | **Silicon (Si)** | 0.30 max | | **Copper (Cu)** | 0.25 max | | **Zinc (Zn)** | 0.25 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Manganese and Magnesium** provide solid solution strengthening - Controlled impurity levels ensure consistent mechanical properties - Balanced composition for optimal performance in H34 temper --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.72 g/cm³ (0.098 lb/in³) | | **Melting Range** | 630 - 650 °C (1166 - 1202 °F) | | **Modulus of Elasticity** | 70 GPa (10,150 ksi) | | **Thermal Conductivity** | 123 W/m·K (85 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 34% IACS | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 890 J/kg·K | --- #### **3. Mechanical Properties** The H34 temper provides intermediate strain-hardened characteristics: * **Tensile Ultimate Strength:** 200 - 240 MPa (29 - 35 ksi) * **Tensile Yield Strength (0.2% Offset):** 160 - 200 MPa (23 - 29 ksi) * **Elongation:** 4 - 8% (in 2 inches) * **Shear Strength:** 125 MPa (18 ksi) * **Fatigue Strength:** 85 MPa (12 ksi) * **Brinell Hardness:** 50 - 60 HB * **Bending Characteristics:** Good bendability with minimum bend radius of 1-2t --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B210** - Aluminum and Aluminum-Alloy Drawn Seamless Tubes * **EN:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **JIS:** **JIS H 4000** - Aluminum and Aluminum Alloy Sheets and Plates --- #### **5. Product Applications** 3004-H34 is used in applications requiring higher strength: * **Transportation:** - Heavy-duty vehicle panels - Truck body components - Railway freight car parts - Container panels * **Marine Industry:** - Boat hull components - Marine structures - Dock facilities - Coastal equipment * **Construction:** - Structural roofing - Building panels - Architectural components - Industrial flooring * **Industrial Applications:** - Pressure vessels - Storage tanks - Chemical equipment - Machinery parts --- #### **6. Key Advantages** * **Enhanced Strength:** Higher mechanical properties than H32 temper * **Good Formability:** Maintains adequate workability for fabrication * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Weldability:** Compatible with standard welding methods * **Stable Properties:** Consistent performance over time * **Cost-Effective:** Economical for medium-strength applications * **Thermal Performance:** Suitable for heat transfer applications --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GTAW, GMAW, and resistance welding * **Forming:** Suitable for bending, roll forming, and moderate stamping * **Machining:** Fair machinability; requires proper tool selection * **Strain Hardening:** Can be further cold worked if required * **Surface Treatment:** Good for painting and chemical conversion coatings --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **9. Technical Specifications** * H34 temper provides intermediate strain hardening * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Maintains strength better than 3003 series alloys * Consistent mechanical properties --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Traceability and certification available * Compliance with international standards **Conclusion** Aluminum 3004-H34 offers an excellent balance of enhanced mechanical strength and good fabricability, making it suitable for applications requiring higher load-bearing capability than H32 temper while maintaining adequate formability. The intermediate strain hardening provides substantial strength improvement over lower tempers, making it ideal for transportation, marine, and industrial applications where both mechanical integrity and corrosion resistance are important. Its reliable performance and consistent properties ensure dependable service in various demanding 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 1669 gallon liquid totes Special package is available on request.