It has generally good mechanical properties and is heat treatable and weldable. It is similar to the British aluminium alloy HE9.


6063 is mostly used in extruded shapes for architecture, particularly window frames, door frames, roofs, and sign frames. It is typically produced with very smooth surfaces fit for anodizing 6063 is a medium strength alloy, suitable for applications where no special strength properties are required. Simple to complex shapes can be produced with very good surface quality characteristics, and suitable for many coating operations such as anodizing and powder coating. Typical areas of application for this alloy is Architectural, Doors & Windows, Facades, Modular Furniture , Solar Profiles , Heat sink sections, Green House, Motor Body, Ladders and many more.


6063 is highly weldable, using tungsten inert gas welding. Typically, after welding, the properties near the weld are those of 6063-0, a loss of strength of up to 30%. The material can be re-heat-treated to restore a higher temper for the whole piece


When bending is required, the naturally aged -T1 temper is preferred. However, due to the excess silicon content, properties may Increase more rapidly with room temperature natural aging than typically experienced with 6063 and 6061alloys. In comparison to 6061, alloys 6005 and 6105 are easier to extrude and are less quench sensitive, allowing them to be used for more complex shapes. Alloys 6005 and 6105, when produced to a -T5 temper, have the same minimum tensile and yield strength as 6061-T6. In comparison to 6063, alloys 6005 and 6105 in -T5 tempers have better machinability and strength properties than 6063-T6. Alloys 6005 and 6105 can also be welded or brazed using various commercial methods (caution: direct contact with dissimilar materials can cause galvanic corrosion), although the heat from welding can reduce strength. Consult the Material Safety Data Sheet (MSDS) for proper safety and handling precautions when using 6005 and 6105 alloys. These alloys also offer good finishing characteristics and respond well to common anodizing methods such as clear, clear and color dye, and hard coat.

6061 is a precipitation hardening aluminium alloy, containing magnesium and silicon as its major alloying elements. Originally called "Alloy 61S," it was developed in 1935. It has good mechanical properties and exhibits good weldability. It is one of the most common alloys of aluminium for general purpose use. It is commonly available in pre-tempered grades such as 6061-O (annealed) and tempered grades such as 6061-T6 (solutionized and artificially aged) and 6061-T651 (solutionized, stress-relieved stretched and artificially aged).


6061 is commonly used for the following: 6061 is an alloy used in the production of extrusions—long constant–cross-section structural shapes produced by pushing metal through a shaped die construction of aircraft structures, such as wings and fuselages, more commonly in homebuilt aircraft than commercial or military aircraft. 6061 is more easily worked and remains resistant to corrosion even when the surface is abraded. Yacht construction, including small utility boats. Automotive parts, such as wheel spacers. Aluminium cans for the packaging of foodstuffs and beverages.

  • 6060 Maximum extrudability particularlyfor hollow sections and other complex shapes having thin walls. 6060-T61 having mechanical properties which are equivalent to 6063-T6 minimal, makes it suitable for a wide range of applications for which 6063 would normally be used. Extruded shapes have good surface finish and the alloy responds well to all post-extrusion finishing processes.
  • 6082 High strength suitable for applications such as general structures, road vehicles, railway cars, and ships, as well as, pipelines for air, water and oil. Higher mechanical properties than 6061 with good post weld recovery.
  • 6101 High strength bus conductors, good extrudability, weldability as well as good resistance to stress corrosion cracking.
  • 6351 Mechanical properties similar to 6061. Used in structural applications. Will take considerable forming in the T4 condition. Good corrosion resistance and offers good fatigue and impact properties. Used in transportation and general structures.
  • T Heat treated to produce stable tempers
  • T1 Cooled from an elevated temperature and naturally aged anodizing finish
  • T2 Cooled from hot working, cold-worked, and naturally aged
  • T3 Solution heat treated and cold worked
  • T4 Solution heat-treated and naturally aged
  • T5 Cooled from an elevated temperature and artificially aged
  • T52 Modified temper for bending, stress relieved by thermal treatment
  • T6 Solution heat-treated and artificially aged


  • Established in 2010 ,SV Aluext is having background of 20 years wide experience and business expansion in industrial sector limited company. S.V.Aluext Profile is today a highly reputed company in India for special applications of extrusions with a wide range of products catering to the needs of customers nationwide and International Markets.

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