4 inch Aluminum Round Bar 6061-T651 Cold Finish 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.
Diameter
4
Alloy
6061
Temper
T651
Production Method
Cold Finish
Metal Type
Aluminum
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Weight/Lineal Foot
14.78 pounds
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Mechanical Properties

Ultimate Tensile Strength KSI
46
Yield Tensile Strength KSI
39
Density g/cm^3
3
Brinell Hardness 500 kg load
93
Rockwell Hardness B Scale
59
Elongation % in 2 in.
11
Shear Strength KSI
30
Melting Point °F
1080 - 1205
Machinability %
50
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 round bar is made from 6061 alloy with a T651 temper and cold finish production method. It offers above average corrosion resistance, good machinability (rated 50), high strength with an ultimate tensile strength of 46 ksi, and good weldability. It is lightweight with a density of 3 g/cm³ and can be heat treated for even higher strength.

Yes, this round bar is available for custom cutting with lengths up to 144 inches. The product is stocked in a warehouse that supports custom cut orders, and multiple length options are offered, ranging from 12 inches to 144 inches.

Yes, this aluminum round bar complies with RoHS and REACH regulations, ensuring it meets environmental and safety standards. It also has MTR (Material Test Report) availability for quality assurance.

This alloy and temper are commonly used in aerospace, automotive, marine hardware, electrical components, structural applications, and bicycle frames due to its strength, corrosion resistance, and machinability.

The weight scales with length, for example, a 12-inch piece weighs approximately 14.78 lbs, while a full 144-inch bar weighs about 177.36 lbs. This helps in planning for shipping and handling.

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