3204 Aluminum alloy,Aluminum 3204 alloy,E FORU

### **Product Introduction: Aluminum 3204 Alloy** **Overview** Aluminum 3204 Alloy is a non-heat-treatable aluminum-manganese alloy specifically developed for canstock applications. It serves as a dedicated alloy for producing can ends, particularly for beverage containers. The alloy is engineered to provide an optimal balance of strength, formability, and compatibility with the scanning and seaming processes used in can manufacturing. Its composition and properties are tailored to meet the demanding requirements of high-speed can production lines, ensuring reliability and performance in final products. --- ### **1. Chemical Composition (Typical Weight %)** The chemical composition of 3204 alloy is carefully controlled to achieve its specialized performance characteristics. | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Manganese (Mn)** | 1.0 - 1.5 | | **Magnesium (Mg)** | 0.8 - 1.3 | | **Iron (Fe)** | ≤ 0.8 | | **Copper (Cu)** | ≤ 0.25 | | **Zinc (Zn)** | ≤ 0.25 | | **Silicon (Si)** | ≤ 0.30 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | *The combination of manganese and magnesium provides solid solution strengthening while maintaining good formability characteristics.* --- ### **2. Physical Properties** 3204 Aluminum exhibits physical properties suitable for its specialized application in packaging. | Property | Value / Description | |----------|---------------------| | **Density** | 2.71 g/cm³ (0.098 lb/in³) | | **Melting Range** | ~ 630 - 655 °C (~ 1165 - 1210 °F) | | **Electrical Conductivity** | ~ 35-40% IACS | | **Thermal Conductivity** | ~ 150 - 170 W/m·K | | **Coefficient of Thermal Expansion** | ~ 23.6 × 10⁻⁶/°C (20-100°C) | | **Modulus of Elasticity** | ~ 69 GPa (10,000 ksi) | --- ### **3. Mechanical Properties (Typical for H19 Temper)** The H19 temper (extra hard) is the primary temper used for can end stock. | Property | Value (H19 Temper) | |----------|---------------------| | **Tensile Strength** | 285 - 325 MPa (41 - 47 ksi) | | **Yield Strength (0.2% Offset)** | 265 - 305 MPa (38 - 44 ksi) | | **Elongation (in 50mm)** | 2% - 5% | --- ### **4. International Standards** 3204 aluminum alloy is recognized in major international standards systems. | Standard Body | Alloy Designation | |---------------|-------------------| | **Aluminum Association (AA)** | AA 3204 | | **UNS Number** | UNS A93204 | | **European Standard (EN)** | EN AW-3204 | | **ISO** | AlMn1Mg1 | --- ### **5. Product Applications** 3204 alloy has a highly specialized application focus: * **Primary Application:** * **Beverage Can Ends:** The main and predominant use * **Food Can Ends:** For various food packaging applications * **Aerosol Can Ends:** For spray can containers * **Specialty Can Lids:** For other packaging containers * **Secondary Applications:** * Other thin-walled packaging components requiring high strength and good formability --- ### **6. Key Characteristics & Advantages** * **Excellent Scanability:** Specifically designed for the scanning and seaming processes used in can end manufacturing * **High Strength in H19 Temper:** Provides the necessary strength for thin-walled can ends to withstand internal pressure * **Good Formability:** Allows for the complex forming operations required in can end production * **Consistent Performance:** Reliable and predictable behavior in high-speed production environments * **Compatibility with Coatings:** Suitable for various internal and external coating systems used in food and beverage packaging * **Corrosion Resistance:** Adequate resistance for packaging applications, particularly when coated --- ### **7. Processing Characteristics** * **Can be work hardened** to achieve required strength levels * **Suitable for high-speed stamping** and forming operations * **Compatible with commercial can manufacturing** processes and equipment * **Can be supplied in specific tempers** optimized for can end production **Disclaimer:** The information provided is for reference purposes only. Specific properties may vary depending on manufacturing processes, temper, and product form. For critical applications, consult technical data sheets from material suppliers and conduct appropriate testing. The alloy is specifically engineered for can end applications and may not be suitable for other purposes without thorough evaluation.

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 1719 gallon liquid totes Special package is available on request.