1.Mechanical properties of of 6061 aluminum pipe
Tensile strength σb (MPa） | yield strength σ0.2 (MPa) | Elongation percentage δ5 (%) | Hardness(HB) |
| ≥205 | ≥170 | ≥9 | 95 |
2.Chemical composition of 6061 aluminum pipe
| % | Cu | Mn | Mg | Zn | Cr | Ti | Si | Fe |
| Min | 0.15 | - | 0.8 | - | 0.04 | - | 0.4 | - |
| Max | 0.4 | 0.15 | 1.2 | 0.25 | 0.35 | 0.15 | 0.8 | 0.7 |
3.6061 aluminum pipe physical performanc
| Modulus of elasticity | Coefficient of thermal expansion | Thermal conductivity | Melting point range | Electrical conductivity | Resistivity | density |
| 69.9GPa | 23.6 | 167 | 582-652 | 40 | 0.043 | 2.8g/cm3 |
4、Characteristics of 6061 aluminum pipe
6061 aluminum pipe is a kind of hard aluminum with high strength, which can be strengthened by heat treatment. It has medium plasticity in annealing, hardening and hot state, and good weld ability in spot welding. It has a tendency to form inter crystalline cracks when it is welded by gas welding and argon arc welding. The mechanical ability of aluminum tube is good after quenching and cold work hardening, but poor in annealing state. Corrosion resistance is not high, using anodic oxidation treatment and paint method or coated with aluminum surface to improve corrosion resistance.
5、Applications of 6061 aluminum pipe
It is widely used in various industrial structural parts requiring certain strength and high corrosion resistance, such as manufacturing trucks, tower buildings, ships, trolley cars, railway vehicles, furniture, aerospace fixtures, electrical fixtures In the field of communication. It is also widely used in automatic mechanical parts, precision machining, mold manufacturing, electronics and precision instruments, solder carrier and so on.
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