4 inch Aluminum Square Bar 6061-T6511 Extruded exhibits above average corrosion resistance, good machinability, high strength, light weight, good weldability, and the ability to be heat treated for even higher strength, all at an affordable price. 6061 is the most commonly used aluminum alloy in the world due to its positive characteristics. It is typically used in aerospace, automotive, cameras, couplings, marine hardware, electrical components, decorative hardware, structural applications, pins, brakes, pistons, valves, and bicycle frames.

MTR MTR Available
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Product Information

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Please note:

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Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.
Height
4
Alloy
6061
Temper
T6511
Production Method
Extruded
Metal Type
Aluminum
Shape
Bar-Square
Yes
RoHS
Yes
REACH
Yes
Weight/Lineal Foot
18.19 pounds
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Mechanical Properties

Ultimate Tensile Strength KSI
42
Density g/cm^3
3
Yield Tensile Strength KSI
40
Brinell Hardness 500 kg load
93
Melting Point °F
1080 - 1205
Elongation % in 2 in.
9
Rockwell Hardness B Scale
59
Machinability %
50
Shear Strength KSI
25
Electrical Conductivity % IACS
43
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Chemistry Information : 6061 Aluminum

Element
Percentage
Element
Percentage
Element
Percentage
Al
98
Cr
0.04 - 0.35
Cu
0.15 - 0.4
Fe
0.7  max
Mg
0.8 - 1.2
Mn
0.15  max
Si
0.4 - 0.8
Ti
0.15  max
Zn
0.25  max

This aluminum square bar measures 4 inches in height and is made from 6061 alloy with a T6511 temper. It is extruded for strength and durability, featuring a composition primarily of aluminum with small amounts of chromium, copper, magnesium, manganese, silicon, titanium, and zinc.

Yes, the bar can be custom cut at the warehouse, with available lengths ranging from 12 inches up to 144 inches. Custom cutting services are offered to meet your project requirements.

Absolutely. This alloy offers good machinability with a rating of 50 and excellent weldability. Its high strength and corrosion resistance make it ideal for aerospace, automotive, marine hardware, and structural applications.

The product complies with RoHS and REACH standards, ensuring it meets environmental and safety regulations. Additionally, MTR (Material Test Reports) are available for quality assurance.

The bar is shipped in various lengths with weights proportional to the size, for example, a 12-inch piece weighs approximately 18.19 pounds. All sizes are in stock and ready to ship from the warehouse.

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