3403 Aluminum alloy,Aluminum 3403 alloy,E FORU

### **Product Introduction: Aluminum 3403 Alloy** **Overview** Aluminum 3403 Alloy is a non-heat-treatable aluminum-manganese alloy belonging to the 3xxx series. It is characterized by good corrosion resistance, excellent thermal conductivity, and favorable forming capabilities. The alloy is primarily used in heat exchanger applications and various architectural purposes where these properties are essential. Its balanced composition provides reliable performance in both mechanical and thermal applications. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Manganese (Mn)** | 1.0 - 1.5 | | **Copper (Cu)** | ≤ 0.05 | | **Magnesium (Mg)** | ≤ 0.05 | | **Iron (Fe)** | ≤ 0.7 | | **Silicon (Si)** | ≤ 0.6 | | **Zinc (Zn)** | ≤ 0.10 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.73 g/cm³ | | **Melting Range** | 645 - 655 °C | | **Electrical Conductivity** | 40-45% IACS | | **Thermal Conductivity** | 170-190 W/m·K | | **Coefficient of Thermal Expansion** | 23.4 × 10⁻⁶/°C | | **Modulus of Elasticity** | 70 GPa | --- ### **3. Mechanical Properties (Typical Values)** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |--------|------------------------|----------------------|----------------| | **O** | 110-145 | 40-70 | 18-25 | | **H14** | 140-175 | 120-150 | 5-10 | | **H18** | 185-220 | 170-200 | 2-4 | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 3403 | | **European Standard (EN)** | EN AW-3403 | | **ISO** | AlMn1.2 | | **GB/T (China)** | 3403 | --- ### **5. Product Applications** **Primary Applications:** - Heat exchanger fins - Radiator components - Air conditioner parts - Automotive heat exchangers **Secondary Applications:** - Architectural panels - Roofing and siding materials - Decorative trim - General sheet metal work --- ### **6. Key Characteristics & Advantages** - Good corrosion resistance - Excellent thermal conductivity - Favorable formability and ductility - Brazeable and weldable - Cost-effective solution for thermal applications --- **Disclaimer:** The information provided is for reference purposes. Properties may vary based on processing conditions and product form. Consult manufacturer specifications for critical 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 1724 gallon liquid totes Special package is available on request.