3004-O Aluminum alloy,Aluminum 3004-O alloy,E FORU

### **Aluminum 3004-O Alloy Product Introduction** **Aluminum 3004-O** is the annealed (soft) temper of the aluminum-manganese-magnesium 3004 alloy, offering maximum formability and ductility for severe forming operations. The "O" temper designation indicates the material has been fully annealed to achieve the softest possible condition, making it ideal for applications requiring deep drawing, spinning, and other demanding fabrication 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 basic solid solution strengthening - Optimized chemistry for maximum formability in annealed condition - Low impurity levels ensure excellent workability --- #### **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** | 130 W/m·K (90 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 36% IACS | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 890 J/kg·K | --- #### **3. Mechanical Properties** The O temper provides fully annealed characteristics with maximum ductility: * **Tensile Ultimate Strength:** 140 - 180 MPa (20 - 26 ksi) * **Tensile Yield Strength (0.2% Offset):** 50 - 90 MPa (7 - 13 ksi) * **Elongation:** 18 - 25% (in 2 inches) * **Shear Strength:** 95 MPa (14 ksi) * **Fatigue Strength:** 65 MPa (9 ksi) * **Brinell Hardness:** 35 - 45 HB * **Bending Characteristics:** Excellent bendability with minimum bend radius of 0-1t --- #### **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-O is specified for applications requiring maximum formability: * **Deep Drawing Applications:** - Beverage can bodies - Food containers - Aerosol cans - Pharmaceutical packaging * **Spinning & Stamping:** - Lighting reflectors - Kitchen utensils - Decorative items - Complex formed parts * **General Fabrication:** - Complex shaped components - Prototypes - Custom fabrications - HVAC components --- #### **6. Key Advantages** * **Maximum Formability:** Excellent for deep drawing, spinning, and severe forming * **Superior Ductility:** High elongation allows for complex fabrication * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Weldability:** Compatible with all standard aluminum welding methods * **Low Yield Strength:** Easy to form with minimal springback * **Non-Toxic:** Safe for food contact applications * **Cost-Effective:** Economical for complex formed components --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability using GTAW, GMAW, and resistance welding * **Forming:** Superior for deep drawing, spinning, stamping, and bending * **Machining:** Good machinability; produces continuous chips * **Strain Hardening:** Can be cold worked after forming to increase strength * **Surface Treatment:** Excellent for anodizing, painting, and chemical conversion --- #### **8. Heat Treatment** * **Annealing Temperature:** 345°C (650°F) * **Soaking Time:** 2-3 hours * **Cooling Method:** Controlled cooling in furnace * **Grain Structure:** Produces uniform, recrystallized fine grain structure --- #### **9. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good to Very Good * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Good * **Food and Chemical Resistance:** Excellent --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Traceability and certification available * Compliance with international standards **Conclusion** Aluminum 3004-O represents the most formable condition of the 3004 alloy series, offering unparalleled workability for demanding fabrication processes. Its fully annealed state provides the ductility necessary for deep drawing, spinning, and other severe forming operations while maintaining good strength and excellent corrosion resistance. This material is particularly valuable for applications in packaging, general fabrication, and component manufacturing where complex shapes must be formed. The combination of maximum formability, adequate strength, and excellent corrosion protection makes 3004-O an ideal choice for manufacturers seeking reliable performance in challenging forming 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 1672 gallon liquid totes Special package is available on request.