3103B Aluminum alloy,Aluminum 3103B alloy,E FORU

### **Aluminum 3103B Alloy Product Introduction** **Aluminum 3103B** is a specialized variant of the 3103 aluminum-manganese alloy series, featuring enhanced chemical controls and improved consistency for high-performance applications. This alloy offers superior corrosion resistance, excellent formability, and reliable mechanical properties, making it suitable for demanding applications in various industrial sectors. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 0.9 - 1.5 | | **Iron (Fe)** | 0.40 max | | **Silicon (Si)** | 0.25 max | | **Copper (Cu)** | 0.08 max | | **Zinc (Zn)** | 0.15 max | | **Titanium (Ti)** | 0.05 max | | **Other Elements** | each 0.03 max, total 0.10 max | | **Aluminum (Al)** | Balance | *Alloy Characteristics:* - **Precise manganese control** for consistent strengthening - **Reduced iron and silicon** for enhanced corrosion resistance - **Titanium addition** for improved grain structure - **Tighter impurity controls** for superior quality --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.73 g/cm³ (0.098 lb/in³) | | **Melting Range** | 640 - 655 °C (1184 - 1211 °F) | | **Modulus of Elasticity** | 69 GPa (10,000 ksi) | | **Thermal Conductivity** | 164 W/m·K (114 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 42% IACS | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** *Typical properties for H14 temper:* - **Tensile Ultimate Strength:** 160 - 200 MPa (23 - 29 ksi) - **Tensile Yield Strength (0.2% Offset):** 130 - 170 MPa (19 - 25 ksi) - **Elongation:** 6 - 10% (in 2 inches) - **Shear Strength:** 100 MPa (15 ksi) - **Brinell Hardness:** 42 - 52 HB *Typical properties for H18 temper:* - **Tensile Ultimate Strength:** 200 - 240 MPa (29 - 35 ksi) - **Tensile Yield Strength:** 180 - 220 MPa (26 - 32 ksi) - **Elongation:** 3 - 6% --- #### **4. International Standards** * **European Standards (EN):** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **National Standards:** * **GB/T 3190** (China) * **JIS H 4000** (Japan) --- #### **5. Product Applications** 3103B alloy is specified for high-quality applications: * **Premium Building Products:** - Architectural cladding systems - High-end roofing materials - Premium gutter and drainage systems - Decorative architectural elements * **Transportation Industry:** - Automotive exterior panels - Railway carriage components - Commercial vehicle bodies - Container manufacturing * **Heat Exchange Systems:** - High-efficiency radiator fins - Air conditioning components - Industrial heat exchangers - Cooling system parts * **Consumer Durables:** - High-quality appliance panels - Premium cookware and utensils - Decorative household items - Furniture components --- #### **6. Key Advantages** * **Enhanced Corrosion Resistance:** Superior performance in harsh environments * **Excellent Formability:** Superior deep drawing and bending capabilities * **Consistent Mechanical Properties:** Reliable performance across production batches * **Superior Surface Quality:** Excellent for high-quality finishes * **Good Weldability:** Compatible with all standard welding techniques * **Improved Thermal Conductivity:** Excellent for heat transfer applications * **Cost-Effective Premium Solution:** High quality at competitive pricing --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability using GMAW, GTAW, and resistance welding * **Forming:** Superior for deep drawing, spinning, and complex forming * **Machining:** Good machinability with predictable tool wear * **Strain Hardening:** Consistent response to cold working processes * **Surface Treatment:** Excellent for anodizing, painting, and coating * **Joining:** Suitable for advanced joining techniques --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Excellent * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Excellent * **Industrial Atmospheres:** Excellent Resistance --- #### **9. Special Features** * **Enhanced Purity** through strict compositional controls * **Titanium Addition** for refined grain structure * **Superior Surface Finish** for premium applications * **Consistent Quality** across all production batches * **Improved Fatigue Performance** for dynamic applications --- #### **10. Quality Assurance** * Stringent chemical composition controls * Enhanced mechanical property consistency * Comprehensive quality testing protocols * Superior surface quality standards * Full traceability with advanced certification **Conclusion** Aluminum 3103B alloy represents the premium grade in the 3103 series, offering enhanced performance characteristics through advanced compositional controls and manufacturing processes. With its tighter chemical specifications, reduced impurity levels, and titanium addition for grain refinement, this alloy delivers superior consistency and reliability for demanding applications. The 3103B variant maintains all the beneficial properties of the 3103 series while providing improved corrosion resistance, better formability, and more predictable performance. This makes it particularly valuable for premium architectural applications, high-quality consumer products, and demanding industrial applications where consistent quality, superior surface finish, and reliable long-term performance are essential requirements.

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 1701 gallon liquid totes Special package is available on request.