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

### **Alclad 3003-H14 Aluminum Alloy Product Introduction** **Alclad 3003-H14** is a high-performance composite material that combines the core properties of **Aluminum Alloy 3003** in the **H14 temper** with exceptional corrosion resistance through a metallurgically bonded pure aluminum cladding. The H14 temper indicates a strain-hardened condition to half-hard level, providing an optimal balance of strength and formability for demanding applications. The "Alclad" technology ensures superior protection against corrosion, making this product ideal for applications requiring reliable performance in challenging environments. --- #### **1. Chemical Composition** * **Core Alloy (3003):** | 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 | | **Aluminum (Al)** | Balance | * **Cladding Layer:** High-purity aluminum alloy (typically AA1050, AA1060, or AA1100) comprising approximately 5-10% of total thickness per side. --- #### **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) | --- #### **3. Mechanical Properties** The H14 temper provides half-hard strength characteristics with maintained formability. * **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 Radius:** Good bendability with minimum bend radius of 1-2t (where t = thickness) --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate * **ASTM B928** - Standard Specification for High Magnesium Aluminum-Alloy Sheet and Plate * **AMS:** **AMS 4003** - Aluminum Alloy 3003, Alclad Sheet and Plate * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates * **ISO 209** - Aluminum and Aluminum Alloys - Chemical Composition * **EN:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties --- #### **5. Product Applications** Alclad 3003-H14 is specified for applications requiring enhanced strength and corrosion resistance: * **Aerospace:** Aircraft skin panels, structural components, and interior structures * **Marine:** Boat hulls, superstructures, and marine hardware * **Transportation:** Truck trailers, railway cars, and container construction * **Architecture:** Roofing, siding, curtain walls, and architectural panels * **Heat Exchangers:** Heat transfer surfaces and fin stock * **Chemical Processing:** Storage tanks, pressure vessels, and processing equipment * **Food Industry:** Processing equipment and storage containers --- #### **6. Key Advantages** * **Superior Corrosion Resistance:** The Alclad layer provides sacrificial protection, extending service life 3-5 times compared to unclad material * **Optimal Strength-Formability Balance:** H14 temper offers higher strength while maintaining adequate formability * **Excellent Surface Quality:** Provides a uniform, attractive surface finish suitable for visible applications * **Good Weldability:** Can be welded using GTAW, GMAW, and resistance welding methods * **Enhanced Durability:** Superior resistance to pitting and stress corrosion cracking * **Low Maintenance:** Reduced need for protective coatings and maintenance * **Thermal Performance:** Excellent heat transfer characteristics --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability with all conventional aluminum welding methods * **Forming:** Good formability; suitable for bending, roll forming, and moderate drawing operations * **Machining:** Fair machinability; use sharp tools and proper coolants * **Annealing:** 345°C (650°F) for 2-3 hours for full softening * **Cladding Thickness:** Typically 2.5-5% of total thickness per side **Conclusion** Alclad 3003-H14 represents an advanced engineering solution that combines the favorable mechanical properties of half-hard 3003 alloy with the exceptional corrosion protection of Alclad technology. This material offers an ideal balance of strength, formability, and durability, making it particularly suitable for aerospace, marine, and architectural applications where reliability and long-term performance are critical. The H14 temper provides sufficient strength for structural applications while maintaining adequate formability for complex fabrications, establishing this product as a premium choice for demanding environments.

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 1648 gallon liquid totes Special package is available on request.