Alclad 3004-H32 Aluminum alloy,Aluminum 3004-H32 alloy,E FORU

### **Alclad 3004-H32 Aluminum Alloy Product Introduction** **Alclad 3004-H32** is a strain-hardened and stabilized aluminum composite material featuring a 3004 alloy core with a metallurgically bonded pure aluminum cladding. The H32 temper indicates the material has been strain hardened to a stable condition, offering improved strength compared to annealed tempers while maintaining good formability and dimensional stability. Combined with the sacrificial corrosion protection of the Alclad layer, this product is ideal for applications requiring balanced mechanical properties and long-term durability. --- #### **1. Chemical Composition** *Core Alloy (3004):* | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 1.0 - 1.5 | | **Magnesium (Mg)** | 0.8 - 1.3 | | **Iron (Fe)** | 0.7 max | | **Silicon (Si)** | 0.30 max | | **Copper (Cu)** | 0.25 max | | **Zinc (Zn)** | 0.25 max | | **Other Elements** | each 0.05 max, total 0.15 max | | **Aluminum (Al)** | Balance | *Cladding Layer:* - High-purity aluminum alloy (AA1050, AA1060, or AA1100 series) - Typically 2.5-5% of total thickness per side - Zinc-free composition for optimal sacrificial protection --- #### **2. Physical Properties** | Property | Value / Description | | :--- | :--- | | **Density** | 2.72 g/cm³ (0.098 lb/in³) | | **Melting Range** | 630 - 650 °C (1166 - 1202 °F) | | **Modulus of Elasticity** | 70 GPa (10,150 ksi) | | **Thermal Conductivity** | 125 W/m·K (87 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 35% IACS | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C (20-100°C) | | **Cladding Ratio** | 5-10% total thickness (2.5-5% per side) | --- #### **3. Mechanical Properties** The H32 temper provides stable, strain-hardened characteristics: * **Tensile Ultimate Strength:** 180 - 220 MPa (26 - 32 ksi) * **Tensile Yield Strength (0.2% Offset):** 120 - 160 MPa (17 - 23 ksi) * **Elongation:** 6 - 12% (in 2 inches) * **Shear Strength:** 115 MPa (17 ksi) * **Fatigue Strength:** 80 MPa (12 ksi) * **Brinell Hardness:** 45 - 55 HB * **Bending Characteristics:** Good bendability with minimum bend radius of 1-2t --- #### **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 4084** - Aluminum Alloy 3004, Alclad Sheet and Plate * **EN:** * **EN 573-3** - Chemical composition and form of products * **EN 485-2** - Mechanical properties * **ISO:** * **ISO 6361-2** - Wrought Aluminum and Aluminum Alloy Sheets, Strips and Plates --- #### **5. Product Applications** Alclad 3004-H32 is widely used in demanding applications: * **Marine & Offshore:** - Boat hulls and superstructures - Marine hardware and fittings - Offshore platform components - Dock and pier structures * **Transportation:** - Truck and trailer panels - Railway car components - Container bodies and flooring - Vehicle structural parts * **Building & Construction:** - Roofing and siding systems - Architectural cladding - Structural panels - Curtain wall systems * **Industrial Equipment:** - Chemical processing vessels - Storage tanks - Heat exchanger components - Machinery guards and enclosures --- #### **6. Key Advantages** * **Stable Mechanical Properties:** H32 temper ensures consistent performance * **Superior Corrosion Resistance:** Alclad layer provides sacrificial protection * **Good Strength-Formability Balance:** Optimal for fabrication and service * **Excellent Weldability:** Compatible with standard welding techniques * **Low Maintenance:** Reduced need for protective coatings * **Dimensional Stability:** Minimal age softening or property changes * **Cost-Effective:** Long service life reduces total ownership cost --- #### **7. Fabrication Characteristics** * **Welding:** Excellent weldability using GTAW, GMAW, and resistance welding * **Forming:** Good for bending, roll forming, and moderate drawing operations * **Machining:** Fair machinability; produces discontinuous chips * **Strain Hardening:** Stable properties with minimal further hardening * **Joining:** Suitable for adhesive bonding and mechanical fastening * **Surface Treatment:** Excellent for painting and chemical conversion coatings --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Very Good to Excellent * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Very Good * **Galvanic Protection:** Sacrificial cladding protects core alloy * **Industrial Chemicals:** Good resistance to many chemicals --- #### **9. Technical Specifications** * H32 temper indicates strain hardening and stabilization * Suitable for service temperatures from -70°C to +150°C * Cladding provides continuous corrosion protection * Good resistance to stress corrosion cracking * Maintains properties in various environmental conditions --- #### **10. Quality Assurance** * Consistent cladding thickness and bond integrity * Uniform mechanical properties throughout * Strict chemical composition control * Full traceability and material certification * Compliance with international quality standards **Conclusion** Alclad 3004-H32 represents an optimal engineering solution that combines the enhanced strength of strain-hardened 3004 alloy with the proven corrosion protection of Alclad technology. The stabilized H32 temper provides reliable mechanical properties that remain consistent over time, making it particularly suitable for applications requiring long-term performance in corrosive environments. Its balanced combination of strength, formability, and superior corrosion resistance makes it a preferred choice for marine, transportation, and architectural applications where durability, reliability, and minimal maintenance are essential requirements. The material offers excellent value through extended service life and reduced maintenance costs in challenging operating conditions.

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 1661 gallon liquid totes Special package is available on request.