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Alloy	Characteristics	Composition	Practical Applications
6005	A structural alloy with moderate strength among its peers (6061, 6082),featuring good corrosion resistance and weldability, but not as strong as 6061 or 6082.	Mg:0.40-0.70 Mn: ≤0.50 Fe: ≤0.35 Si: 0.50-0.90 Cu: ≤0.30 Zn: ≤0.20 Cr: ≤0.30 Ti: ≤0.10 Other Elem:≤0.05 Total Other:≤0.15 Al : Rem.	Used in structural applications such as ladder frames, and transport vehicles.
6060	A very common alloy in the 6000 series, known for its excellent corrosion resistance and weldability. It is heat treatable and has a superior surface finish compared to other structural alloys.	Mg : 0.30 - 0.60 Mn: ≤0.10 Fe: 0.10-0.30 Si: 0.30 - 0.60 Cu: ≤0.10 Zn: ≤0.15 Cr: ≤0.05 Ti: ≤0.10 Other Elem : ≤0.05 Total Other : ≤0.15 Al : Rem.	Ideal for applications requiring good aesthetics like architectural extrusions and trim.
6061	A versatile, heat treatable alloy with slightly lower mechanical properties than 6082 but good corrosion resistance. Noted for not having as smooth an extruded finish as 6060.	Mg : 0.80 -1.20 Mn : ≤0.15 Fe : ≤0.70 Si : 0.40 - 0.80 Cu : 0.15-0.40 Zn : ≤0.25 Cr : 0.04 - 0.35 Ti : ≤0.10 Other Elem : ≤0.05 Total Other : ≤0.15 Al : Rem.	Used extensively in construction, automotive parts, bridges, and marine frames.
6063	Known as the "architectural alloy" for its smooth surface and high resistance to corrosion, making it ideal for architectural applications.	Mn:≤0.02 Fe:≤0.20 Si: 0.2-0.6 Cu: 0.10 Zn:≤0.01 Cr: 0.01 Ti:≤0.10 Other Elements:≤0.05 Total Other:≤0.15 Al: Remainder	Commonly used in window frames, door frames, roofs, and sign frames.
6082	The strongest of the 6000 series structural alloys, offering excellent corrosion resistance and good weldability, though its surface finish is not as refined as 6060 or 6063.	Mg : 0.60 -1.20 Mn : 0.40 -1.00 Fe : ≤0.50 Si : 0.70-1.30 Cu : ≤0.10 Zn : ≤0.20 Cr : ≤0.25 Ti : ≤0.10 Other Elem : ≤0.05 Total Other : ≤0.15 Al : Rem.	Employed in highly stressed applications such as bridges, cranes, and transport applications.
6101	Designed for electrical conductors, this heat treatable alloy has higher electrical conductivity than 6060 or 6063, along with good mechanical properties and corrosion resistance.	Mg : 0.35-0.80 Mn : ≤0.03 Fe : ≤0.50 Si : 0.30 - 0.70 Cu : ≤0.10 Zn : ≤0.10 Cr : ≤0.03 Bi : ≤0.06 Other Elem : ≤0.03 Total Other : ≤0.10 Al : Rem.	Primarily used in electrical busbars and conductor rails.
6106	Provides mechanical properties between those of 6060 and the higher-strength 6061/6082, with excellent corrosion resistance and extrudability that supports more complex shapes.	Mg : 0.40 - 0.80 Mn : 0.05- 0.20 Fe : ≤0.35 Si : 0.30 - 0.60 Cu : ≤0.25 Zn : ≤0.15 Cr : ≤0.20 Ti : ≤0.10 Other Elem : ≤0.05 Total Other : ≤0.15 Al : Rem.	Suitable for complex extrusions used in automotive applications and tubing in furniture.
6351	Very similar to 6082, this heat treatable alloy offers similar strength and corrosion resistance. It's often replaced by 6082 in European specifications.	Mg : 0.40 - 0.80 Mn : 0.40 - 0.80 Fe : ≤0.50 Si : 0.70 -1.30 Cu : ≤0.10 Zn : ≤0.20 Ti : ≤0.20 Other Elem : ≤0.05 Total Other : ≤0.15 Al : Rem.	Used in truck components, marine structures, and other high-stress environments.
1000 Series	Composed mainly of 99% aluminum, these alloys are highly corrosion-resistant, have excellent conductivity, and a high reflectance, but are low in strength and not suitable for heat treatments.	Available Upon Request	Common in chemical handling, food industry installations, and heat reflectors.
2000 Series	Alloyed primarily with copper, these are heat treatable, high-strength alloys with good machinability but only moderate corrosion resistance. Notable for being used in aerospace due to their strength.	Available Upon Request	Widely utilized in aerospace applications, including aircraft structural components and military vehicles.