Introduction to Aluminum 6061
Aluminum 6061 - Is an alloy with 1.0% magnesium and 0.6% silicon. Good forming ability, weldability and corrosion resistance. Very good machinability. Durability 7,000 to 39,000 ps. Aluminum 6061 is the most commonly used aluminum alloy. It has been chosen in almost every application for its durability, along with heat treatment, ease of machining and weldability. In addition, it is also anodized, creating an extra layer of protection for finished parts. The main alloying composition of Aluminum 6061 is magnesium and silicon.
Commonly used in the manufacture of heavy structures requiring good corrosion resistance, truck and marine parts, railroad cars, furniture, tank accessories, general structural applications and high pressure, wire products and pipes
Machining is more difficult when in the hard state of good T4 and T6. It is difficult to work in an annealed medium
It is easy to process the deformation with the annealing condition. Stamping, bending, spinning, and deep etching are all done easily by standard methods.
Alloys have very good welding properties and can be welded using all conventional welding techniques. Gas tungsten arc welding is typically used for thin sections (less than 0.032 ”) and gaseous metal arc welding is used for thicker segments. Use the 4043 alloy filler wire for welding for the best results, although it will reduce the hard-state properties T6.
The heat treatment solution is at 990 F for the right time to heat it all and then cool with water. The hardening was performed at 320 F for 18 hours and cooled with air, followed by 350 F for 8 hours and cooled with air.
The alloy is capable of forging hot at temperatures between 900 F and 750 F
Hot machining can be performed in a temperature range of 700 degrees Fahrenheit to 500 degrees Fahrenheit.
Cold work in hard O conditions is done easily. This alloy is cold worked in the hard state T4 and T6
Incubation should be performed at 775 F for 2 to 3 hours followed by controlled cooling at 50 degrees F / hour to 500 F, then cooled with air.
The aging heat treatment was performed at 350 F for 8 hours followed by air cooling. This creates a hard state T6
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