Extruded aluminum alloy 6063/6061

6063

Chemical composition:

Aluminum Al: remaining silicon Si: 0.20～0.6 Copper Cu: ≤0.10 Magnesium Mg: 0.45～0.9 Zinc Zn: ≤0.10 Manganese Mn: ≤0.10 Titanium Ti: ≤0.10 Chromium Cr: ≤0.10 Iron Fe: 0.000～0.350 Note: Single: ≤0.05; Total: ≤0.15

Mechanical properties:

Tensile strength σb (MPa): ≥205 Conditional yield strength σ0.2 (MPa): ≥170 Elongation δ5 (%): ≥9 Note: Longitudinal mechanical properties of bars at room temperature Sample size: bar diameter ( Square rod, hexagonal rod inscribed circle diameter) ≤ 25  

6063 aluminum alloy belongs to the Al-Mg-Si series alloy and has a wide range of applications. Especially the construction industry cannot do without this alloy. It is widely used in the framework of building aluminum doors and windows and curtain walls. It is the most promising alloy. Good corrosion resistance, excellent weldability, good cold workability, and medium strength.

The main alloying elements are magnesium and silicon, which have excellent processing properties, excellent weldability, extrudability and electroplating properties, good corrosion resistance, toughness, easy polishing, color film, and excellent anodizing effects, which are typical Extruded alloy. 6063 aluminum alloy profiles are widely used in building profiles, irrigation pipes, vehicles, benches, furniture due to their good plasticity, moderate heat treatment strength, good welding performance, and gorgeous surface color after anodizing treatment. Tubes, rods and profiles used for, elevators, fences, etc. 

6061

Chemical composition

Copper Cu: 0.15～0.4 Manganese Mn: 0.15 Magnesium Mg: 0.8～1.2 Zinc Zn: 0.25 Chromium Cr: 0.04～0.35 Titanium Ti: 0.15 Silicon Si: 0.4～0.8 Iron Fe: 0.7 Aluminum Al: remaining

6061 is a heat-strengthened alloy with good formability, weldability, and machinability. It also has medium strength and can still maintain good operability after annealing. It has excellent processing performance, excellent welding characteristics and electroplating, good corrosion resistance, high toughness, no deformation after processing, compact material without defects, easy polishing, easy color film, and excellent oxidation effect.

Aluminum profiles of the 6061 alloy are better than 6063 in terms of strength and cutting performance, and they also have good oxidation resistance. But in terms of plasticity, 6063 aluminum profile is better, it can make the material achieve higher precision; 6063 has higher tensile strength and yield strength, showing better fracture toughness.