Know more Properties and Uses about 6061 t6 aluminum

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6061 aluminum is a heat-treatable aluminum alloy that is very useful in the construction industry and automotive manufacturing due to its excellent corrosion resistance and strength-to-weight ratio.

Know more Properties and Uses about 6061 t6 aluminum

6061 aluminum, originally known as “Alloy 61s”, was one of the first to be developed (in 1935), and is one of the most commonly available heat-treatable aluminum alloys for commercial use.

6061 T6 Aluminum

6061 T6 Aluminum

6061 aluminum is a heat-treatable aluminum alloy that is very useful in the construction industry and automotive manufacturing due to its excellent corrosion resistance and strength-to-weight ratio.

Features of 6061-T6 aluminum

6061-T6 aluminum is renowned for its exceptional structural strength and toughness, imparting unrivaled resilience to various applications. Notably, it boasts a commendable surface finish, making it visually appealing and aesthetically pleasing. Moreover, its remarkable resistance to corrosion from both atmospheric conditions and the relentless onslaught of sea water amplifies its allure.

Machinability is an attribute that sets 6061-T6 aluminum apart from its counterparts. The ease with which it can be shaped, milled, and manipulated to meet specific requirements is a testament to its versatile nature. This alloy’s propensity for welding and joining surpasses that of most other aluminum alloys, whose chemical composition and inferior conductivity often pose arduous challenges in the welding process.

Though it is worth noting that welding 6061 aluminum alloys might entail a modest sacrifice in terms of strength, fear not, for there exists a solution. By subjecting the welded materials to re-heat treatment and artificial aging procedures, their strength can be effectively revitalized. This restorative process stands as a testament to the alloy’s superiority and further solidifies its status as an esteemed choice among discerning users.

Chemical Composition of 6061 Aluminum

Element Minimum % Maximum %
Magnesium 0.8 1.2
Silicon 0.4 0.8
Iron No Min 0.7
Copper 0.15 0.4
Manganese No Min 0.15
Chromium 0.04 0.35
Zinc No Min 0.25
Titanium No Min 0.15
Other Elements No Min 0.05 each0.15 in total

6061 Aluminum Properties

Characteristic Appraisal
Strength Medium to High
Corrosion Resistance Good
Weldability & Brazability Good
Workability Good
Machinability Good

6061 aluminum T4 VS T6

Property 6061-T4 6061-T6
Density 2.70 g/cc | 0.0975 lb/in³ 2.70 g/cc | 0.0975 lb/in³
Property 6061-T4 6061-T6
Tensile Strength 241 MPa | 35000 psi 310 MPa | 45000 psi
Yield Strength 145 MPa | 21000 psi 276 MPa | 40000 psi
Modulus of Elasticity 68.9 GPa | 10000 ksi 68.9 GPa | 10000 ksi
Property 6061-T4 6061-T6
Coefficient of Thermal Expansion @ 20.0 – 100 °C Temp 23.6 µm/m-°C  | 13.1 µin/in-°F 23.6 µm/m-°C | 13.1 µin/in-°F
Thermal Conductivity 154 W/m-K | 1070 BTU-in/hr-ft²-°F 167 W/m-K | 1160 BTU-in/hr-ft²-°F

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