6205-T1 Aluminum alloy,Aluminum 6205-T1 alloy,E FORU

### **Aluminum 6205-T1 Alloy: Product Introduction** **Overview** Aluminum 6205-T1 is a heat-treatable aluminum-magnesium-silicon alloy that has been cooled from an elevated temperature shaping process and naturally aged to a substantially stable condition. This temper provides a **good balance of strength and formability**, offering **moderate mechanical properties** with **excellent workability**. The T1 condition is particularly suitable for applications requiring some fabrication after extrusion before reaching final service conditions. --- #### **1. Chemical Composition (Weight %)** | Element | Minimum (%) | Maximum (%) | |---------|-------------|-------------| | Silicon (Si) | 0.6 | 1.0 | | Iron (Fe) | - | 0.35 | | Copper (Cu) | - | 0.20 | | Manganese (Mn) | 0.05 | 0.20 | | Magnesium (Mg) | 0.40 | 0.8 | | Chromium (Cr) | 0.05 | 0.20 | | Zinc (Zn) | - | 0.15 | | Titanium (Ti) | - | 0.10 | | Other (Each) | - | 0.05 | | Other (Total) | - | 0.15 | | **Aluminum (Al)** | **Balance** | | --- #### **2. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Density** | 2.71 g/cm³ | 0.0979 lb/in³ | | **Melting Range** | 580-650 °C | 1076-1202 °F | | **Electrical Conductivity** | 50-54% IACS | 50-54% IACS | | **Thermal Conductivity** | 180-195 W/m·K | 1045-1130 BTU·in/(hr·ft²·°F) | | **Coefficient of Thermal Expansion** | 23.6 × 10⁻⁶/°C | 13.1 × 10⁻⁶/°F | | **Modulus of Elasticity** | 69.0 GPa | 10,007 ksi | --- #### **3. Mechanical Properties** **Typical Mechanical Properties for 6205-T1:** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | **Tensile Strength** | 170-210 MPa | 25-30 ksi | | **Yield Strength (0.2% Offset)** | 90-120 MPa | 13-17 ksi | | **Elongation (in 50mm)** | 16-20% | 16-20% | | **Hardness (Brinell)** | 55-65 HB | 55-65 HB | | **Shear Strength** | 115-145 MPa | 17-21 ksi | | **Fatigue Strength** | 75-95 MPa | 11-14 ksi | --- #### **4. International Standards** * **ASTM Standards:** * ASTM B221: Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes * ASTM B210: Standard Specification for Aluminum and Aluminum-Alloy Drawn Seamless Tubes * **European Standards (EN):** * EN 573-3: Chemical composition * EN 755-2: Mechanical properties for extruded products * **ISO Standards:** * ISO 6361-2: Wrought aluminum and aluminum alloy sheets, strips and plates * ISO 6362-2: Wrought aluminum and aluminum alloy extruded rods/bars, tubes and profiles --- #### **5. Product Applications** **Architectural Applications:** - Window and door components - Architectural trim and moldings - Curtain wall components - Handrails and balustrades **Transportation Industry:** - Automotive trim components - Truck and trailer parts - Railway vehicle components - Marine structural elements **Electrical Applications:** - Heat sinks for electronic devices - Electrical enclosures and conduits - Bus bar supports - Lighting fixture components **General Manufacturing:** - Furniture components - Appliance parts - Display and signage systems - General purpose structural components --- #### **6. Key Characteristics & Advantages** * **Good Formability:** Maintains adequate ductility for forming operations * **Moderate Strength:** Provides better mechanical properties than annealed temper * **Excellent Surface Quality:** Ideal for applications requiring high-quality surface finish * **Good Corrosion Resistance:** Maintains excellent corrosion resistance characteristic of 6xxx series alloys * **Cost-Effective:** No artificial aging required, reducing production costs * **Good Weldability:** All common welding methods can be successfully employed * **Age-Hardenable:** Can be further artificially aged to higher strength tempers if required --- #### **7. Heat Treatment Characteristics** **Natural Aging Process:** - Precipitation hardening occurs at room temperature - Properties stabilize within 1-4 weeks after extrusion - No additional heat treatment required - Stable long-term mechanical properties **Potential for Further Aging:** - Can be artificially aged to T5 or T6 temper - Additional strength development possible - Requires controlled aging process --- #### **8. Processing and Fabrication** **Forming Characteristics:** - Suitable for moderate bending operations - Good for roll forming and stretching - Adequate for mechanical deformation - Reasonable springback characteristics **Machining Properties:** - Good machinability in T1 condition - Better chip formation than softer tempers - Good surface finish achievable - Suitable for most machining operations **Joining Methods:** - Excellent weldability using TIG and MIG methods - Good for brazing and soldering - Suitable for adhesive bonding - Mechanical fastening easily accomplished **Surface Treatment:** - Excellent for anodizing - Suitable for painting and powder coating - Good for chemical conversion coatings - Ideal for decorative finishes --- #### **9. Quality and Standards Compliance** **Testing Requirements:** - Mechanical property verification - Chemical composition analysis - Surface quality inspection - Dimensional accuracy checks **Typical Deliverable Conditions:** - As-extruded and naturally aged - Standard mill finish available - Custom lengths and sections - Various surface treatment options --- **Technical Note:** Aluminum 6205-T1 offers a practical balance between mechanical properties and manufacturing flexibility, serving as an economical choice for applications where moderate strength and good formability are required. The natural aging characteristics provide stable properties over time with minimal processing requirements. This temper is particularly suitable for architectural and general engineering applications where the highest strength is not required but better performance than annealed material is desired. The combination of adequate strength, excellent surface quality, and good workability makes 6205-T1 a versatile material choice for a wide range of manufacturing applications, especially where subsequent forming or fabrication operations are needed after extrusion.

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 2059 gallon liquid totes Special package is available on request.