3105B Aluminum alloy,Aluminum 3105B alloy,E FORU

### **Aluminum 3105B Alloy Product Introduction** **Aluminum 3105B** is a premium-grade aluminum-manganese alloy featuring enhanced chemical controls and superior consistency for high-performance applications. This alloy variant offers improved mechanical properties, excellent formability, and outstanding corrosion resistance, making it suitable for demanding applications where consistent quality and reliability are paramount. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 0.4 - 0.8 | | **Magnesium (Mg)** | 0.4 - 0.8 | | **Iron (Fe)** | 0.4 max | | **Silicon (Si)** | 0.25 max | | **Copper (Cu)** | 0.15 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-magnesium balance** for optimal strengthening - **Tighter impurity controls** for enhanced corrosion resistance - **Titanium addition** for improved grain structure - **Superior chemical consistency** for reliable performance --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.72 g/cm³ (0.098 lb/in³) | | **Melting Range** | 640 - 655 °C (1184 - 1211 °F) | | **Modulus of Elasticity** | 69 GPa (10,000 ksi) | | **Thermal Conductivity** | 161 W/m·K (112 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 44% 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:** 150 - 190 MPa (22 - 28 ksi) - **Tensile Yield Strength (0.2% Offset):** 120 - 160 MPa (17 - 23 ksi) - **Elongation:** 7 - 11% (in 2 inches) - **Shear Strength:** 95 MPa (14 ksi) - **Brinell Hardness:** 36 - 46 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** 3105B 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 - Vehicle trim components - Commercial vehicle parts - Railway interior panels * **Consumer Durables:** - High-quality appliance panels - Premium cookware and utensils - Decorative household items - Furniture components * **Specialized Manufacturing:** - Electrical enclosures - Display and signage panels - Premium packaging materials - Industrial components --- #### **6. Key Advantages** * **Enhanced Consistency:** Superior quality control ensures reliable performance * **Excellent Formability:** Superior deep drawing and bending capabilities * **Superior Corrosion Resistance:** Outstanding performance in harsh environments * **Premium 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:** Very Good to Excellent * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Very Good * **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 3105B alloy represents the premium grade in the 3105 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 3105B variant maintains all the beneficial properties of the 3105 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 1704 gallon liquid totes Special package is available on request.