4043-H14 Aluminum alloy,Aluminum 4043-H14 alloy,E FORU

### **Product Introduction: Aluminum 4043-H14 Alloy** **Overview** Aluminum 4043-H14 Alloy is a strain-hardened aluminum-silicon alloy in the H14 temper condition, indicating it has been cold worked to a half-hard state. While primarily known as a welding filler metal, this temper provides improved strength and handling characteristics for wire and rod forms. The H14 condition offers a balance between formability and strength, making it suitable for specialized welding applications and other industrial uses. --- ### **1. Chemical Composition (Typical Weight %)** | Element | Content (%) | |---------|-------------| | **Aluminum (Al)** | Balance | | **Silicon (Si)** | 4.5 - 6.0 | | **Iron (Fe)** | ≤ 0.8 | | **Copper (Cu)** | ≤ 0.30 | | **Manganese (Mn)** | ≤ 0.15 | | **Magnesium (Mg)** | ≤ 0.15 | | **Zinc (Zn)** | ≤ 0.20 | | **Titanium (Ti)** | ≤ 0.15 | | **Others (Each)** | ≤ 0.05 | | **Others (Total)** | ≤ 0.15 | --- ### **2. Physical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | 2.69 g/cm³ | | **Melting Range** | 575 - 630 °C | | **Solidus Temperature** | 575 °C | | **Liquidus Temperature** | 630 °C | | **Electrical Conductivity** | 40-45% IACS | | **Thermal Conductivity** | 155-175 W/m·K | | **Coefficient of Thermal Expansion** | 22.5 × 10⁻⁶/°C | | **Modulus of Elasticity** | 71 GPa | --- ### **3. Mechanical Properties (H14 Temper Condition)** | Property | Value Range | |----------|-------------| | **Tensile Strength** | 150-190 MPa | | **Yield Strength (0.2% Offset)** | 120-160 MPa | | **Elongation (in 50mm)** | 6-12% | | **Hardness (Brinell)** | 45-60 HB | | **Shear Strength** | 100-130 MPa | | **Fatigue Strength** | 70-90 MPa | --- ### **4. International Standards** | Standard Body | Designation | |---------------|-------------| | **Aluminum Association (AA)** | AA 4043-H14 | | **European Standard (EN)** | EN AW-4043-H14 | | **ISO** | AlSi5 H14 (ISO 18273) | | **UNS** | A94043 | | **AWS** | A5.10 ER4043 | | **ASTM** | B211 | --- ### **5. Product Applications** **Welding Applications:** - Structural welding with improved wire stiffness - Automated welding processes - High-speed MIG welding - TIG welding rod applications - Pipe welding operations **Industrial Applications:** - Welding wire for structural components - Repair and maintenance welding - Automotive assembly welding - Shipbuilding applications - Pressure vessel welding **Specialized Uses:** - High-production welding operations - Robotic welding applications - Outdoor welding where wire stiffness is beneficial - High-speed manufacturing processes - Critical structural welding --- ### **6. Key Characteristics & Advantages** - **Improved Handling**: Better stiffness for automated feeding systems - **Good Strength**: Enhanced mechanical properties for structural integrity - **Excellent Weldability**: Maintains good welding characteristics in H14 condition - **Reduced Wire Tangling**: Improved wire straightness for better feeding - **Good Arc Stability**: Consistent welding performance - **Corrosion Resistance**: Maintains good corrosion properties after welding - **Weld Quality**: Produces sound welds with good mechanical properties --- ### **7. H14 Temper Specific Features** **Mechanical Performance:** - Half-hard condition with balanced properties - Improved tensile strength over annealed temper - Adequate ductility for welding applications - Consistent mechanical properties - Good feedability in automated systems **Welding Advantages:** - Reduced bird-nesting in wire feeders - Better push-pull feeding performance - Consistent arc characteristics - Good bead appearance - Minimal spatter generation --- ### **8. Processing and Handling Guidelines** **Welding Parameters:** - Suitable for both TIG and MIG processes - Recommended shielding gas: Argon or Argon/Helium mixtures - Standard welding procedures applicable - May require slight parameter adjustments from annealed wire **Storage and Handling:** - Store in original packaging until use - Keep in dry, controlled environment - Protect from mechanical damage - Use appropriate wire feeding systems - Maintain clean handling conditions **Disclaimer:** The information provided is for reference purposes only. The H14 temper offers improved handling characteristics while maintaining good welding performance. Welding results may vary depending on specific equipment, parameters, and base materials. Always conduct appropriate testing for critical applications and follow manufacturer recommendations for welding procedures and parameters.

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 1750 gallon liquid totes Special package is available on request.