3003-H16 Aluminum alloy,Aluminum 3003-H16 alloy,E FORU

### **Aluminum 3003-H16 Alloy Product Introduction** **Aluminum 3003-H16** is a strain-hardened aluminum-manganese alloy in the three-quarter hard temper condition, offering significantly higher strength than lower H-series tempers while maintaining useful formability. This temper provides an excellent strength-to-weight ratio, making it suitable for applications requiring substantial load-bearing capability combined with good corrosion resistance and moderate fabrication characteristics. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 1.0 - 1.5 | | **Copper (Cu)** | 0.05 - 0.20 | | **Iron (Fe)** | 0.7 max | | **Silicon (Si)** | 0.6 max | | **Zinc (Zn)** | 0.10 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Alloy Features:* - **Manganese** provides primary strengthening through solid solution - Controlled impurity levels ensure consistent mechanical properties - Balanced composition maintains corrosion resistance while achieving higher strength --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.73 g/cm³ (0.098 lb/in³) | | **Melting Range** | 643 - 654 °C (1190 - 1210 °F) | | **Modulus of Elasticity** | 69 GPa (10,000 ksi) | | **Thermal Conductivity** | 155 W/m·K (107 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 42% IACS | | **Coefficient of Thermal Expansion** | 23.2 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 900 J/kg·K | --- #### **3. Mechanical Properties** The H16 temper provides three-quarter hard characteristics: * **Tensile Ultimate Strength:** 170 - 215 MPa (25 - 31 ksi) * **Tensile Yield Strength (0.2% Offset):** 160 - 200 MPa (23 - 29 ksi) * **Elongation:** 1 - 5% (in 2 inches) * **Shear Strength:** 125 MPa (18 ksi) * **Fatigue Strength:** 85 MPa (12 ksi) * **Brinell Hardness:** 45 - 55 HB * **Bending Characteristics:** Moderate bendability with minimum bend radius of 2-3t --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B210** - Aluminum and Aluminum-Alloy Drawn Seamless Tubes * **ASTM B221** - Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **ISO 6362-2** - Extruded Rod/Bar, Tube and Profiles * **EN:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **JIS:** **JIS H 4000** - Aluminum and Aluminum Alloy Sheets and Plates --- #### **5. Product Applications** 3003-H16 is specified for applications requiring higher strength: * **Transportation:** Heavy-duty truck body panels, trailer flooring, structural components * **Construction:** Structural panels, roofing systems, building facades * **Marine:** Boat hull components, marine structural members, deck hardware * **Industrial Equipment:** Pressure vessels, chemical processing equipment, storage tanks * **Electrical:** Bus bar supports, electrical enclosures, transformer tanks * **HVAC:** Heavy-duty ductwork, ventilation systems, heat exchanger components --- #### **6. Key Advantages** * **High Strength:** Approximately 25-30% stronger than H14 temper * **Good Strength-to-Weight Ratio:** Excellent load-bearing capability * **Maintained Corrosion Resistance:** Good performance in corrosive environments * **Moderate Formability:** Suitable for limited forming operations * **Excellent Weldability:** Good performance with standard welding methods * **Thermal Performance:** Maintains good heat transfer characteristics * **Cost-Effective:** Economical for high-strength applications --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GTAW and GMAW processes * **Forming:** Suitable for moderate bending and light forming operations * **Machining:** Fair machinability; requires sharp tools and proper techniques * **Strain Hardening:** Can be further cold worked to achieve H18 temper * **Annealing:** 345°C (650°F) for 2-3 hours for complete softening * **Springback:** Moderate springback requires compensation in forming dies --- #### **8. Technical Specifications** * H16 temper indicates strain hardening to three-quarter hard condition * Suitable for service temperatures from -70°C to +150°C * Good resistance to atmospheric and industrial corrosion * Responds well to anodizing for improved surface properties * Compatible with standard chemical conversion coatings --- #### **9. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Good * **General Corrosion:** Excellent --- #### **10. Quality Assurance** * Consistent mechanical properties throughout material * Good dimensional stability and surface quality * Reliable performance in structural applications * Comprehensive material certification available **Conclusion** Aluminum 3003-H16 offers a significant advancement in strength characteristics within the 3003 alloy series, making it ideal for applications requiring substantial load-bearing capability. While its formability is reduced compared to lower tempers, it maintains sufficient workability for many fabrication processes. The alloy's combination of high strength, excellent corrosion resistance, and good weldability ensures its suitability for demanding applications in transportation, construction, marine, and industrial sectors. 3003-H16 represents an excellent choice when higher strength is required without moving to more expensive alloy systems, providing cost-effective performance for structural and heavy-duty 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 1655 gallon liquid totes Special package is available on request.