6061 T6 Rectangular Aluminum Flat Tube
The 6061 T6 Rectangular Aluminum Flat Tube is a commonly used high-strength aluminum alloy product, widely applied in structural components requiring high strength and excellent corrosion resistance. It uses 6061 aluminum alloy as the base material and undergoes T6 heat treatment to improve its mechanical properties and strength.
6061 T6 Rectangular Aluminum Flat Tube Material Features
Alloy Composition
6061 aluminum alloy is primarily alloyed with silicon (Si) and magnesium (Mg), offering excellent mechanical properties and corrosion resistance.
After T6 heat treatment (solution heat treatment + artificial aging), the material's strength is significantly enhanced. In the T6 condition, 6061 aluminum alloy has a high yield strength and tensile strength, typically with a yield strength of 275 MPa and a tensile strength of up to 310 MPa.
Corrosion Resistance
6061 T6 aluminum alloy exhibits high corrosion resistance, making it especially suitable for applications in environments exposed to moisture or marine conditions. The magnesium and silicon components in the alloy provide natural oxidation protection, maintaining stable performance in various environments.
Weldability and Workability
6061 T6 aluminum alloy has good weldability and can be processed using various welding methods, including Tungsten Inert Gas (TIG) and Metal Inert Gas (MIG) welding. While the material's strength may slightly decrease after welding, it still maintains a high load-bearing capacity.
This aluminum alloy also has good machinability, making it suitable for CNC machining, cutting, drilling, and other precision processing needs.
High Strength and Light Weight
6061 T6 aluminum alloy offers superior strength compared to many other common aluminum alloys, while being relatively lightweight. It is ideal for applications that require high strength while minimizing overall weight, particularly in industries such as aerospace, aviation, and automotive.
6061 T6 Rectangular Aluminum Flat Tube Specifications
| Dimension Name | Specification |
| Max Length | 253 |
| Material | Aluminum |
| Shape | Tube-Rectangle |
| Alloy | 6061 |
| Temper | T6 |
| Production Method | Extruded |
| Material Standards | ASTM -B221 |
6061 T6 Rectangular Aluminum Flat Tube Applications
Aerospace
The 6061 T6 rectangular flat tube is widely used in the aerospace industry for aircraft frames, fuselage structural components, control surface assemblies, etc., particularly for parts that require high strength and corrosion resistance. The high strength and excellent machinability of this material make it an ideal choice for aerospace structural components.
Automotive Industry
In the automotive industry, the 6061 T6 rectangular flat tube is commonly used in chassis, body supports, and other structural components, especially in race cars and high-performance vehicles, where its lightweight and high-strength properties are leveraged to enhance performance and safety.
Construction and Infrastructure
The 6061 T6 rectangular flat tube is widely used in the construction industry, especially in building frames, support structures, and decorative components. It has strong corrosion resistance and formability, making it adaptable to various architectural design requirements.
Shipbuilding and Marine Structures
Due to its excellent corrosion resistance, 6061 T6 aluminum alloy plays a significant role in shipbuilding and marine facilities, particularly in structural components exposed to seawater corrosion, such as hull frames and offshore platform supports.
Industrial Structures
The 6061 T6 rectangular flat tube is also commonly used in mechanical and industrial manufacturing, especially in machinery, tool racks, support frames, and other structural components. Its high strength and lightweight properties help improve product stability and durability.
6061 T6 Rectangular Aluminum Flat Tube Machining Characteristics
Machining Methods
The 6061 T6 rectangular flat tube has good machinability and can be precisely shaped through milling, drilling, cutting, and other processes. During machining, tool life is long, and excessive wear is minimal.
CNC machining is a common method used, offering high precision in dimensional control and cutting of complex shapes, making it suitable for high-end fields that require fine processing.
Heat Treatment
The 6061 T6 rectangular flat tube undergoes T6 heat treatment, which significantly enhances its strength. The heat treatment process includes solution heat treatment and artificial aging, which significantly improves the material's performance, especially its tensile strength and corrosion resistance.
Weldability
The 6061 T6 aluminum alloy has good weldability and can be joined using various welding methods, particularly suitable for structural and frame welding. Although some strength may decrease after welding, it still meets the needs of most applications.
The 6061 T6 rectangular flat tube is a high-strength, lightweight material with excellent corrosion resistance. Its applications in aerospace, automotive, construction, and shipbuilding industries fully demonstrate its advantages in strength, durability, and weldability. It is suitable for use in frames and support components that require high structural strength and can be precisely manufactured through methods such as CNC machining.
6061 T6 Rectangular Aluminum Flat Tube Mechanical Properties
| Property | Value |
| Density g/cm^3 | 3 |
| Yield Tensile Strength KSI | 40 |
| Brinell Hardness 500 kg load | 95 |
| Ultimate Tensile Strength KSI | 45 |
| Elongation % in 2 in. | 12 |
| Rockwell Hardness B Scale | 60 |
| Machinability % | 50 |
| Melting Point °F | 1080 - 1205 |
| Electrical Conductivity % IACS | 43 |
| Shear Strength KSI | 30 |
Chemistry Information 6061 Aluminum
| 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 |
