3003-H14 Aluminum alloy,Aluminum 3003-H14 alloy,E FORU

### **Aluminum 3003-H14 Alloy Product Introduction** **Aluminum 3003-H14** is a strain-hardened aluminum-manganese alloy in the half-hard temper condition, offering an excellent balance of strength, formability, and corrosion resistance. As one of the most versatile tempers in the 3003 alloy series, H14 provides substantially higher strength than the H12 temper while maintaining good fabrication characteristics. This combination makes it ideal for applications requiring moderate strength with good durability. --- #### **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 | *Material Characteristics:* - **Manganese** as primary alloying element for solid solution strengthening - Optimized chemistry for balanced mechanical properties - Low copper content maintains excellent corrosion resistance --- #### **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 H14 temper provides half-hard characteristics with enhanced strength: * **Tensile Ultimate Strength:** 150 - 195 MPa (22 - 28 ksi) * **Tensile Yield Strength (0.2% Offset):** 145 - 185 MPa (21 - 27 ksi) * **Elongation:** 2 - 8% (in 2 inches) * **Shear Strength:** 110 MPa (16 ksi) * **Fatigue Strength:** 75 MPa (11 ksi) * **Brinell Hardness:** 40 - 50 HB * **Bending Characteristics:** Good bendability with minimum bend radius of 1-2t --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B210** - Aluminum and Aluminum-Alloy Drawn Seamless Tubes * **ASTM B211** - Aluminum and Aluminum-Alloy Bar, Rod, and Wire * **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-H14 serves numerous industrial applications: * **Building & Construction:** Roofing, siding, gutters, and architectural panels * **Transportation:** Vehicle body panels, trailer skins, and structural components * **HVAC Industry:** Heat exchanger fins, ductwork, and ventilation systems * **Food Service:** Cooking equipment, food preparation surfaces, and containers * **General Engineering:** Storage tanks, chemical equipment, and machinery parts * **Marine Applications:** Boat components and marine hardware * **Electrical Industry:** Bus bars, electrical enclosures, and heat sinks --- #### **6. Key Advantages** * **Enhanced Strength:** Approximately 15-20% stronger than H12 temper * **Good Formability:** Maintains adequate formability for most fabrication processes * **Excellent Corrosion Resistance:** Superior performance in various environments * **Good Weldability:** Compatible with all standard aluminum welding methods * **Thermal Conductivity:** Suitable for heat transfer applications * **Cost-Effective:** Economical choice for medium-strength applications * **Non-Sparking:** Safe for use in flammable environments --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability using GTAW, GMAW, and resistance welding * **Forming:** Good for bending, roll forming, and moderate stamping operations * **Machining:** Fair machinability; use sharp tools and proper cutting parameters * **Strain Hardening:** Can be further cold worked to achieve H16 or H18 tempers * **Annealing:** 345°C (650°F) for 2-3 hours for complete softening --- #### **8. Technical Specifications** * H14 temper indicates strain hardening to half-hard condition * Suitable for service temperatures from -70°C to +150°C * Excellent resistance to atmospheric corrosion * Good anodizing response for enhanced surface properties * Compatible with chemical conversion coatings and painting --- #### **9. Corrosion Performance** * **Atmospheric Exposure:** Excellent * **Marine Environment:** Good to Very Good * **Stress Corrosion Cracking:** Excellent Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **10. Quality & Certification** * Consistent mechanical properties throughout material * Good surface quality and dimensional accuracy * Reliable performance in demanding applications * Full material traceability and certification available **Conclusion** Aluminum 3003-H14 represents an optimal compromise between strength and formability in the 3003 alloy series. Its half-hard temper provides substantial strength improvement over lower tempers while maintaining sufficient ductility for most fabrication requirements. The alloy's excellent corrosion resistance, combined with good thermal conductivity and weldability, makes it a preferred choice for applications in construction, transportation, HVAC, and general engineering. Its balanced properties and cost-effectiveness ensure widespread use across multiple industries where reliable performance and durability 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 1654 gallon liquid totes Special package is available on request.