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

### **Alclad 3004-O Aluminum Alloy Product Introduction** **Alclad 3004-O** is an annealed aluminum composite material featuring a 3004 alloy core in the fully soft condition with a metallurgically bonded pure aluminum cladding. This product offers maximum formability and ductility for severe forming operations while providing superior corrosion resistance through the sacrificial Alclad layer. The "O" temper designation indicates the material has been fully annealed, making it ideal for applications requiring deep drawing, spinning, and other demanding fabrication processes. --- #### **1. Chemical Composition** *Core Alloy (3004):* | 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 | *Cladding Layer:* - High-purity aluminum alloy (AA1050, AA1060, or AA1100 series) - Typically 2.5-5% of total thickness per side - Provides sacrificial corrosion protection --- #### **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) | | **Cladding Thickness** | 2.5-5% per side of total thickness | --- #### **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** - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B928** - Standard Specification for High Magnesium Aluminum-Alloy Sheet and Plate * **AMS:** **AMS 4084** - Aluminum Alloy 3004, Alclad Sheet and Plate * **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 --- #### **5. Product Applications** Alclad 3004-O is specified for applications requiring maximum formability and corrosion resistance: * **Deep Drawing Applications:** - Beverage can bodies - Food containers - Aerosol cans - Pharmaceutical packaging * **Spinning & Stamping:** - Lighting reflectors - Kitchen utensils - Decorative items - Complex formed parts * **Marine Industry:** - Complex boat components - Marine fittings - Custom marine hardware * **General Fabrication:** - Complex shaped components - Prototypes - Custom fabrications - HVAC ductwork --- #### **6. Key Advantages** * **Maximum Formability:** Excellent for deep drawing, spinning, and severe forming * **Superior Ductility:** High elongation allows for complex fabrication * **Excellent Corrosion Resistance:** Alclad layer provides sacrificial protection * **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 * **Joining:** Suitable for adhesive bonding and mechanical fastening --- #### **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:** Very Good to Excellent * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Very Good * **Food and Chemical Resistance:** Excellent * **Galvanic Protection:** Sacrificial cladding protects core alloy --- #### **10. Quality Assurance** * Consistent cladding thickness and bond quality * Uniform mechanical properties * Strict chemical composition control * Full material traceability * Comprehensive certification available **Conclusion** Alclad 3004-O represents the most formable condition of the 3004 alloy series, offering unparalleled workability combined with superior corrosion protection. Its fully annealed state provides the ductility necessary for the most demanding fabrication processes while the Alclad cladding ensures long-term durability in corrosive environments. This material is particularly valuable for applications in packaging, marine, and general fabrication industries where complex shapes must be formed and where corrosion resistance is essential. The combination of maximum formability, good strength, and excellent corrosion protection makes Alclad 3004-O an ideal choice for manufacturers seeking reliable performance in challenging 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 1665 gallon liquid totes Special package is available on request.