6061 T6 Aluminum Pipe Detailed Parameters & Performance Guide
When strength, dimensional stability, and corrosion resistance are critical, 6061 T6 aluminum pipe is one of the most trusted materials across aerospace, mechanical, and structural industries. GNEE supplies premium-quality 6061 T6 aluminum pipes with consistent performance and global standards compliance. Contact GNEE today to get technical support and an instant quote.
What Is 6061 T6 Aluminum Pipe?
6061 T6 aluminum pipe is produced through solution heat treatment followed by artificial aging, resulting in significantly enhanced strength and hardness. This temper provides an optimal balance between mechanical performance, machinability, and corrosion resistance, making it ideal for load-bearing and precision applications.
6061 T6 Aluminum Pipe Physical Properties
| Property | Metric | English | Notes |
|---|---|---|---|
| Density | 2.7 g/cm³ | 0.0975 lb/in³ | Typical aluminum alloy value |
6061 T6 Aluminum Pipe Mechanical Properties
| Property | Metric | English | Notes |
|---|---|---|---|
| Brinell Hardness | 95 HB | 95 HB | Typical, 500 g load |
| Knoop Hardness | 120 | 120 | Converted from Brinell |
| Rockwell A | 40 | 40 | Converted value |
| Rockwell B | 60 | 60 | Converted value |
| Vickers Hardness | 107 | 107 | Converted value |
| Ultimate Tensile Strength | 310 MPa | 45,000 psi | Typical |
| Yield Strength | 276 MPa | 40,000 psi | Typical |
| Elongation (1.6 mm thickness) | 12% | 12% | Typical |
| Elongation (12.7 mm diameter) | 17% | 17% | Typical |
| Modulus of Elasticity | 68.9 GPa | 10,000 ksi | Avg. tension/compression |
| Shear Strength | 207 MPa | 30,000 psi | Typical |
| Fatigue Strength | 96.5 MPa | 14,000 psi | 500 million cycles |
| Fracture Toughness (KIC) | 29 MPa·m½ | 26.4 ksi·in½ | TL orientation |
| Machinability | 50% | 50% | Aluminum alloy scale |
6061 T6 Aluminum Pipe Thermal Properties
| Property | Metric | English | Notes |
|---|---|---|---|
| Thermal Conductivity | 167 W/m·K | 1160 BTU-in/hr-ft²-°F | At 77°F |
| Coefficient of Thermal Expansion (68–212°F) | 23.6 µm/m-°C | 13.1 µin/in-°F | Typical |
| Specific Heat Capacity | 0.896 J/g-°C | 0.214 BTU/lb-°F | - |
| Melting Point | 582–652 °C | 1080–1205 °F | Typical range |
| Solidus | 582 °C | 1080 °F | - |
| Liquidus | 652 °C | 1205 °F | - |
Processing Parameters of 6061 T6 Aluminum Pipe
| Process | Metric | English | Notes |
|---|---|---|---|
| Solution Heat Treatment | 529 °C | 985 °F | - |
| Artificial Aging (Rolled/Drawn) | 160 °C | 320 °F | 18 hours |
| Artificial Aging (Extrusions/Forgings) | 177 °C | 350 °F | 8 hours |
Chemical Composition of 6061 T6 Aluminum Pipe
| Element | Content (%) |
|---|---|
| Silicon (Si) | 0.40 – 0.80 |
| Iron (Fe) | ≤ 0.70 |
| Copper (Cu) | 0.15 – 0.40 |
| Manganese (Mn) | ≤ 0.15 |
| Magnesium (Mg) | 0.80 – 1.20 |
| Chromium (Cr) | 0.04 – 0.35 |
| Aluminum (Al) | Balance |
6061 Aluminum Pipe Temper Comparison & Selection Guide
| Temper | Features | Strength (MPa) | Typical Applications |
|---|---|---|---|
| 6061-O | Fully annealed, very soft | ~124 | Deep drawing, bending |
| 6061-T4 | Solution treated, not fully aged | ~207 | Forming, secondary processing |
| 6061-T6 | Solution treated + artificial aging | 310–330 | Structural, mechanical parts |
| 6061-T651 | Stress-relieved T6 | 310–330 | CNC machining, precision parts |
How to Choose the Right 6061 Aluminum Pipe Temper
Choose 6061 T6 aluminum pipe for high-strength structural and load-bearing applications
Select 6061-O or T4 when superior ductility and forming performance are required
Use 6061-T651 aluminum pipe for CNC machining to minimize deformation and residual stress
Standard Sizes of 6061 T6 Aluminum Pipe
| Parameter | Range |
|---|---|
| Outer Diameter | 10 mm – 300 mm |
| Wall Thickness | 1 mm – 50 mm |
| Length | Up to 6000 mm |
| Form | Seamless / Extruded |
| Custom Sizes | Available |
Aircraft Aluminum Alloys Comparison
| Alloy Type | Tensile Strength (MPa) | Density (g/cm³) | Corrosion Resistance | Application Field |
| 2024 | 470 | 2.78 | Poor | Wing, fuselage structural components |
| 6061 | 310 | 2.70 | Good | Non-structural components, brackets, frames |
| 7075 | 570 | 2.81 | Poor | High-strength structural components, military aerospace parts |
Why Choose GNEE for 6061 T6 Aluminum Pipe?
GNEE delivers high-quality 6061 T6 aluminum pipe with stable mechanical performance, precise dimensional control, and full material traceability. Our products are widely used in aerospace, machinery, transportation, and industrial engineering projects worldwide.
Get a Quote for 6061 T6 Aluminum Pipe from GNEE
If you are sourcing 6061 T6 aluminum pipe for demanding structural or precision applications, GNEE is your reliable partner.
Contact GNEE now for pricing, datasheets, and expert alloy selection support.





