3104-H19 Aluminum alloy,Aluminum 3104-H19 alloy,E FORU

### **Aluminum 3104-H19 Alloy Product Introduction** **Aluminum 3104-H19** is a high-strength aluminum-manganese alloy in the extra-hard temper condition, offering the maximum strength achievable in the 3104 alloy series through cold working. This temper provides superior mechanical properties while maintaining the excellent corrosion resistance characteristic of the 3000 series alloys, making it suitable for demanding applications requiring high strength and durability. --- #### **1. Chemical Composition** | Element | Content (%) | | :--- | :--- | | **Manganese (Mn)** | 0.8 - 1.4 | | **Magnesium (Mg)** | 0.8 - 1.3 | | **Iron (Fe)** | 0.8 max | | **Silicon (Si)** | 0.6 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** combine for solid solution strengthening - **Optimized chemistry** for maximum strain hardening response - **Enhanced alloying content** for superior mechanical properties - **Controlled impurities** ensure consistent high-strength performance --- #### **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** | 121 W/m·K (84 BTU·in/hr·ft²·°F) | | **Electrical Conductivity** | 34% IACS | | **Coefficient of Thermal Expansion** | 23.5 × 10⁻⁶/°C (20-100°C) | | **Specific Heat Capacity** | 890 J/kg·K | --- #### **3. Mechanical Properties** The H19 temper provides extra-hard characteristics with maximum strength: * **Tensile Ultimate Strength:** 270 - 320 MPa (39 - 46 ksi) * **Tensile Yield Strength (0.2% Offset):** 250 - 300 MPa (36 - 44 ksi) * **Elongation:** 1 - 3% (in 2 inches) * **Shear Strength:** 160 MPa (23 ksi) * **Fatigue Strength:** 100 MPa (15 ksi) * **Brinell Hardness:** 70 - 80 HB * **Bending Characteristics:** Very limited bendability with minimum bend radius of 4-5t --- #### **4. International Standards** * **ASTM:** * **ASTM B209** - Aluminum and Aluminum-Alloy 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 * **JIS:** **JIS H 4000** - Aluminum and Aluminum Alloy Sheets and Plates --- #### **5. Product Applications** 3104-H19 is specified for specialized applications requiring ultimate strength: * **Beverage Can Manufacturing:** - Can body stock - High-strength can components - Can end stock * **Transportation:** - Ultra-heavy-duty vehicle components - Structural reinforcements - High-strength brackets - Specialized trailer components * **Industrial Applications:** - High-strength machinery parts - Specialized tooling components - Heavy-duty equipment parts - High-wear components * **Construction:** - High-strength architectural panels - Structural building components - Security panels - Specialized architectural elements --- #### **6. Key Advantages** * **Maximum Strength:** Highest mechanical properties in 3104 alloy series * **Superior Hardness:** Exceptional surface durability and wear resistance * **High Stiffness:** Outstanding dimensional stability under extreme loads * **Good Corrosion Resistance:** Maintains adequate corrosion performance * **Excellent Strength-to-Weight Ratio:** Superior load-bearing capability * **Thermal Performance:** Suitable for specialized applications * **Cost Alternative:** Economical substitute for more expensive high-strength alloys --- #### **7. Fabrication Characteristics** * **Welding:** Very limited weldability; requires specialized techniques * **Forming:** Extremely limited formability; suitable only for minimal bending * **Machining:** Difficult machinability; requires specialized tools and techniques * **Strain Hardening:** Represents maximum practical cold working limit * **Annealing:** 345°C (650°F) for 2-3 hours for complete stress relief * **Springback:** Substantial springback requires sophisticated tooling design --- #### **8. Corrosion Performance** * **Atmospheric Corrosion:** Good to Excellent * **Marine Environment:** Fair to Good * **Stress Corrosion Cracking:** Good Resistance * **Pitting Resistance:** Fair * **Beverage and Food Compatibility:** Excellent --- #### **9. Technical Specifications** * H19 temper indicates strain hardening beyond conventional full-hard condition * Suitable for service temperatures from -70°C to +120°C * Good resistance to atmospheric corrosion * Requires special handling to prevent cracking * Not recommended for applications requiring significant forming --- #### **10. Quality Assurance** * Consistent chemical composition * Uniform mechanical properties * Strict quality control standards * Enhanced inspection requirements * Full traceability and certification available **Conclusion** Aluminum 3104-H19 represents the ultimate achievement in strain hardening for the 3104 alloy system, delivering the highest possible strength and hardness characteristics. While its applications are highly specialized due to extremely limited formability, it provides an economical solution for situations demanding absolute maximum mechanical properties from a non-heat-treatable aluminum alloy. The material is particularly valuable in beverage can manufacturing and specialized industrial applications where ultra-high strength and stiffness are paramount, and where subsequent forming operations are nonexistent. 3104-H19 serves as a cost-effective alternative to more expensive high-strength aluminum alloys while maintaining the favorable characteristics of the 3000 series, making it ideal for specialized applications where maximum cold-worked strength is essential.

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 1702 gallon liquid totes Special package is available on request.