4-1/4 inch Aluminum Round 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.
Diameter
4.25
Alloy
6061
Temper
T6511
Production Method
Extruded
Metal Type
Aluminum
Shape
Bar-Round
Yes
RoHS
Yes
REACH
Yes
Weight/Lineal Foot
17.36 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 round bar is made from 6061 alloy with T6511 temper, offering high strength, good machinability, and excellent corrosion resistance. It is lightweight and weldable, commonly used in aerospace, automotive, marine hardware, electrical components, and structural applications.

Yes, the bar is available in various lengths up to 144 inches and can be custom cut at the warehouse to meet your specific size requirements.

Yes, this product complies with RoHS and REACH standards and comes with Material Test Reports (MTR) to verify quality and compliance.

The shipping weight varies by length; for example, a 12-inch piece weighs approximately 17.36 lbs, and longer lengths scale proportionally up to 208.32 lbs for 144 inches.

The 6061-T6511 alloy has a machinability rating of 50, indicating good machinability suitable for various manufacturing processes.

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