6061 t6 aluminum tube is an extremely widely used deformed aluminum alloy belonging to the 6000 series, with magnesium and silicon as the main alloying elements. It has many excellent characteristics, and can obtain medium strength after heat treatment. Its tensile strength can generally reach more than 200MPa, and its yield strength is usually around 110MPa – 150MPa, which can meet the requirements of many structural parts.
6061aluminum metal tube has good corrosion resistance, can remain stable in a variety of environments, not easy to rust and corrosion, which makes it in the outdoor construction, automobile manufacturing and other areas of outstanding performance. aluminum pipe processing is also very good, easy to extrusion, forging, machining and other molding operations, can be made into a variety of complex shapes of the parts. In addition, 6061 pipe aluminium alloy also has good welding performance, through the appropriate welding process can achieve high-quality connections, easy to assemble into large structural components. Due to these comprehensive performance advantages, 6061 aluminum square tubing is widely used in the construction industry, window and door frames, curtain wall structures, the automotive industry, body, chassis, engine parts, as well as aerospace field of non-critical structural components, the shell of electronic products, and many other areas, is an indispensable and important metal materials in the modern industry.
The 6061 round tube aluminium is based on aluminum as the base element, which accounts for the largest proportion of its content. The main alloying elements include 0.8% – 1.2% magnesium (Mg) and 0.4% – 0.8% silicon (Si), which form a Mg₂Si reinforced phase to enhance the alloy’s strength and hardness, and silicon also improves casting and welding properties; 0.15% – 0.4% copper (Cu), which further enhances the strength and fatigue resistance but slightly reduces the corrosion resistance; and 0.04% – 0.35% chromium (Cr) to improve stress corrosion cracking resistance. 0.04% – 0.35% of chromium (Cr) helps to improve the resistance to stress corrosion cracking. Impurity elements, iron (Fe) content of not more than 0.7%, too much will reduce the plasticity and toughness; manganese (Mn) not more than 0.15%, zinc (Zn) not more than 0.25%, titanium (Ti) not more than 0.15%, although manganese can be refined grain, titanium can improve the casting properties, but need to be strictly controlled in order to ensure that the alloy performance stability.
1 2 aluminum tubing has good and varied mechanical properties. Its strength is at a medium level, with tensile strength usually between 180 – 310MPa and yield strength between 110 – 270MPa, which enables it to withstand a certain amount of external force without deformation or rupture, and it can be used in the manufacture of a wide range of structural components. In terms of hardness, its Brinell hardness is about 90 – 110HB, with a certain degree of wear resistance and deformation resistance. 6061 square telescopic tubes also has good toughness and ductility, elongation up to 8% – 16%, which means that it is able to withstand a certain degree of plastic deformation during processing without rupture, facilitating extrusion, forging, bending and other molding operations. In addition, it has good fatigue resistance and can maintain stable performance under repeated alternating loads, so it can be used for parts subjected to dynamic loads over a long period of time.
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