3004-H112 Aluminum alloy,Aluminum 3004-H112 alloy,E FORU

### **Aluminum 3004-H112 Alloy Product Introduction** **Aluminum 3004-H112** is a strain-hardened aluminum-manganese-magnesium alloy supplied in a temper that indicates slight strain hardening from hot working. This alloy offers a balanced combination of moderate strength, good formability, and excellent corrosion resistance, making it suitable for various structural and general engineering applications where hot-working processes are involved. --- #### **1. Chemical Composition** | 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 | *Alloy Characteristics:* - **Manganese and Magnesium** provide solid solution strengthening - Optimized for hot-working processes and subsequent slight strain hardening - Balanced chemistry ensures consistent mechanical properties --- #### **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** | 130 W/m·K (90 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 36% IACS | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 890 J/kg·K | --- #### **3. Mechanical Properties** The H112 temper provides basic mechanical properties with slight strain hardening: * **Tensile Ultimate Strength:** 160 - 200 MPa (23 - 29 ksi) * **Tensile Yield Strength (0.2% Offset):** 70 - 110 MPa (10 - 16 ksi) * **Elongation:** 8 - 15% (in 2 inches) * **Shear Strength:** 105 MPa (15 ksi) * **Fatigue Strength:** 70 MPa (10 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 B221** - Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * **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 * **ISO 6362-2** - Extruded Rod/Bar, Tube and Profiles * **JIS:** **JIS H 4000** - Aluminum and Aluminum Alloy Sheets and Plates --- #### **5. Product Applications** 3004-H112 is widely used in various industrial applications: * **Transportation Industry:** - Truck and trailer components - Railway freight car parts - Vehicle structural members - Container flooring * **Marine Applications:** - Boat hull components - Marine structures - Dock equipment - Harbor installations * **Construction & Architecture:** - Structural panels - Roofing systems - Building frameworks - Architectural components * **General Engineering:** - Storage tanks - Pressure vessels - Heat exchangers - Industrial equipment frames --- #### **6. Key Advantages** * **Good Strength Properties:** Higher strength than 3003-H112 alloy * **Excellent Corrosion Resistance:** Good performance in various environments * **Good Formability:** Suitable for bending and moderate forming operations * **Excellent Weldability:** Compatible with standard welding techniques * **Hot Workable:** Suitable for hot-working manufacturing processes * **Cost-Effective:** Economical choice for structural applications * **Recyclable:** Environmentally friendly and fully recyclable --- #### **7. Fabrication Characteristics** * **Welding:** Good weldability using GMAW, GTAW, and resistance welding * **Forming:** Suitable for bending, roll forming, and moderate drawing * **Machining:** Fair machinability; improved with proper tool selection * **Hot Working:** Excellent suitability for hot extrusion and forging * **Strain Hardening:** Can be further cold worked to achieve higher strength * **Surface Treatment:** Good for anodizing and chemical conversion coatings --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Excellent * **Marine Environment:** Good to Very Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Good * **Industrial Atmospheres:** Good Resistance --- #### **9. Technical Specifications** * H112 temper indicates slight strain hardening from hot working * Suitable for service temperatures from -70°C to +150°C * Good stability in various environmental conditions * Maintains strength better than 3003 series alloys * Can be further processed to achieve different tempers --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Traceability and certification available * Compliance with international standards **Conclusion** Aluminum 3004-H112 offers a versatile and reliable solution for applications requiring a balance of moderate strength, good formability, and excellent corrosion resistance. Its suitability for hot-working processes makes it particularly valuable for extruded and forged components in transportation, marine, and construction industries. The alloy provides better mechanical properties than the 3003 series while maintaining good workability and corrosion performance. Whether used in structural applications, marine components, or industrial equipment, 3004-H112 delivers consistent performance and represents a cost-effective choice for manufacturers seeking reliable aluminum alloy characteristics with good overall properties.

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 1666 gallon liquid totes Special package is available on request.