6061-T6 Aluminum Round Bar Overview
6061-T6 aluminum Round bar is one of the most versatile and widely used extruded aluminum Round bar products on the market. It is highly regarded for its excellent machinability, outstanding weldability, and strong corrosion resistance. Thanks to its reliable mechanical strength and balanced performance, 6061-T6 aluminum Round bar is a preferred material for structural components, marine environments, and automotive applications, where durability and lightweight properties are essential.
GNEE 6061 Aluminum Round Bar Specifications
GNEE supplies high-quality 6061 aluminum Round bars that meet strict international standards and diverse application requirements.
Equivalent Designations
A96061, EN AW-6061, AlMgSiCu, HE20, AA6061, 3.3211
Available Tempers
6061-T6, 6061-T651, 6061-T6511
Thickness Range
0.08" – 9.8" (2 – 250 mm)
Width Range
0.2" – 11.8" (5 – 300 mm)
Standard Lengths
3 m / 6 m / 12 m
(Custom cutting available)
Edge Processing Options
Right angle edges, rounded corners, R-radius corners
Production Methods
Extrusion, aluminum plate sawing
Packaging
Customized according to detailed packaging requirements
6061 Aluminum Round Bar Standards and Certifications
GNEE 6061 aluminum Round bars comply with a wide range of international specifications:
ASTM Standards
ASTM B211, ASTM B221
AMS Standards
AMS 4115, AMS 4116, AMS 4117, AMS 4128, AMS-QQ-A-225/8, AMS 4150, AMS 4160, AMS 4161, AMS-QQ-A-200/8
Certifications
ISO 9001, AS9100, NADCAP (Heat Treatment & Non-Destructive Testing)
Inspection Methods
Ultrasonic Testing (ASTM B594), metallographic analysis, and mechanical property testing

Product Types of 6061 Aluminum Round Bar
6061 Aluminum Round Bar – Extruded
Produced using high-precision extrusion technology, 6061 extruded aluminum Round bar offers excellent dimensional consistency and a uniform surface finish. Its strong mechanical properties and good fatigue resistance make it suitable for aerospace, industrial, and high-performance engineering applications.
6061 Aluminum Round Bar – Cold Finished
Manufactured through controlled cold-working processes, 6061 cold-finished aluminum Round bar features tight tolerances and a superior surface finish. Enhanced machinability and improved fatigue performance make it ideal for precision mechanical and structural components.
6061 Aluminum Round Bar – Round Ends
These bars are either directly extruded or precision-cut, featuring square ends without corner radii. 6061 Round-end aluminum Round bars are commonly used in applications requiring strict dimensional accuracy, such as aerospace assemblies, structural supports, mold tooling, and precision fixtures.
6061 Aluminum Round Bar – Radius Ends
Designed with rounded corners, 6061 radius-end aluminum Round bars effectively reduce stress concentration and improve fatigue resistance. They are widely applied in aerospace structures, racing frames, and heavy-duty mechanical systems subjected to vibration and cyclic loading.
6061 Aluminum Round Bar Tempers and Performance Analysis
GNEE offers multiple tempers of 6061 aluminum Round bar to meet specific strength, stability, and machining requirements. Each temper is achieved through controlled heat treatment and stress-relief processes, significantly influencing performance.
6061-T6 Aluminum Round Bar
Solution heat-treated and artificially aged, this temper provides the highest strength and hardness for 6061 aluminum Round bar, making it ideal for load-bearing and structural applications.
6061-T651 Aluminum Round Bar
Based on T6, the material is stretched to relieve internal stress, improving dimensional stability and minimizing distortion during machining.
6061-T6511 Aluminum Round Bar
An enhanced version of T651, offering additional stress relief and improved straightness, delivering higher dimensional precision for demanding applications.
Typical Mechanical Properties
| Property | 6061-T6 | 6061-T651 | 6061-T6511 |
|---|---|---|---|
| Tensile Strength | 270–310 MPa | 270–320 MPa | 270–290 MPa |
| Shear Strength | 210 MPa | 210 MPa | 170 MPa |
| Elastic Modulus | 69 GPa | 69 GPa | 69 GPa |
| Brinell Hardness | 93 | 93 | - |
| Elongation | 10% | 11% | 9% |
Key Characteristics of 6061 Aluminum Round Bar
6061 aluminum Round bar is widely recognized as a versatile "workhorse" alloy due to its balanced performance:
Excellent strength-to-weight ratio for lightweight structural support
Strong corrosion resistance in both atmospheric and marine environments
Outstanding weldability and good cold-formability
Good machinability for efficient processing and high-quality finishes
Mechanical strength and hardness significantly enhanced through heat treatment
Excellent response to anodizing and other surface treatments, improving durability and appearance
Why Choose GNEE for 6061 Aluminum Round Bar?
As a professional supplier, GNEE delivers premium 6061 aluminum Round bars with stable quality, flexible customization, and full technical support. From standard extruded bars to precision-machined and heat-treated products, GNEE helps customers achieve optimal performance while reducing production costs.

