6061 Aluminum Bar Stock Overview
6061 Aluminum Bar Stock (UNS A96061) is a cold-finished or extruded wrought aluminum product widely recognized for its excellent corrosion resistance, good workability, strong joining performance, and reliable machinability. As one of the most commonly used heat-treatable aluminum alloys, 6061 offers an outstanding balance between performance and cost.
At GNEE, we supply 6061 aluminum bars in multiple tempers and shapes to meet the needs of marine, transportation, industrial, and structural applications.
6061 Aluminum Bar Stock Key Characteristics
6061 aluminum is valued for its versatility and fabrication flexibility. It features:
High corrosion resistance suitable for harsh environments
Good formability and weldability
Adequate to excellent machinability
Compatibility with common fabrication methods such as stamping, bending, and deep drawing
Because of these advantages, 6061 aluminum is one of the most economical heat-treatable aluminum alloys available on the market today.
Available Shapes and Tempers of 6061 Aluminum Bar
6061 Aluminum Bar Shapes
| Available Shapes |
|---|
| Flats |
| Squares |
| Rounds |
6061 Aluminum Bar Tempers
| Available Tempers |
|---|
| T6 |
| T651 |
| T6511 |
Most 6061 aluminum bars stocked by GNEE are supplied in 6061-T6511 extruded condition, while 6061-T651 cold-finished bars are available upon request.
6061 Aluminum Bar Specifications
| Standard Type | Specification |
|---|---|
| ASTM | ASTM B211, ASTM B221 |
| AMS | AMS 4115, AMS 4116, AMS 4117, AMS 4128, AMS 4150, AMS 4160, AMS 4161 |
| QQ-A | AMS-QQ-A-225/8, AMS-QQ-A-200/8 |

Typical Chemical Composition of 6061 Aluminum
| Element | Si | Fe | Cu | Mn | Mg | Cr | Zn | Ti | Other (Each) | Other (Total) |
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | 0.40 | - | 0.15 | - | 0.80 | 0.04 | - | - | - | - |
| Maximum | 0.80 | 0.70 | 0.40 | 0.15 | 1.20 | 0.35 | 0.25 | 0.15 | 0.05 | 0.15 |
| Balance | - | - | - | - | - | - | - | - | - | Aluminum |
Typical Mechanical Properties of 6061 Aluminum Bar (T6 / T651)
| Temper | Ultimate Tensile Strength | Yield Strength | Elongation | Hardness |
|---|---|---|---|---|
| KSI | MPa | KSI | MPa | |
| T6 / T651 | 45 | 310 | 21 | 145 |
Mechanical Properties of 6061-T6511 Extruded Bar
| Thickness | Tensile Strength (min) | Yield Strength (min) | Elongation (min) |
|---|---|---|---|
| Up to 0.250" | 38,000 psi | 35,000 psi | 8% |
| 0.250" and above | 38,000 psi | 35,000 psi | 10% |
Values apply specifically to 6061-T6511 extruded bars.
6061 Aluminum Bar Manufacturing Notes
6061-T6 Bars: Produced in round, flat, square, and hex shapes
6061-T6511 Bars: Extruded, widely stocked, compliant with ASTM standards and AMS-QQ-A-200/8
6061-T651 Bars: Cold-finished, produced to AMS-QQ-A-225/8, typically available by special order
Common Applications of 6061 Aluminum Bar Stock
Due to its excellent strength-to-weight ratio and corrosion resistance, 6061 aluminum bar stock is widely used in:
Marine and offshore components
Truck and trailer parts
Railroad cars and structural assemblies
Pipelines and fluid systems
Furniture and architectural structures
Why Choose GNEE for 6061 Aluminum Bar Stock
As a professional aluminum supplier, GNEE provides high-quality 6061-T6, 6061-T651, and 6061-T6511 aluminum bars that meet international standards. Our products deliver consistent mechanical performance, reliable quality, and excellent cost efficiency for a wide range of industrial and commercial applications.








