3003 Aluminum Pipe
3003 aluminum pipes are widely used in applications that require good formability, high plasticity, and excellent weldability. They are typically employed for low-load components operating in liquid or gaseous environments, such as fuel lines, lubrication pipelines, and small containers for liquids. These pipes are also commonly used in deep-drawn parts, rivet wiring, and other similar applications where ductility is essential.
Temper: O, H112, H14, H24
Characteristics
3003 is an Al-Mn alloy, one of the most commonly used rust-proof aluminum alloys. It has moderate strength (slightly higher than industrial pure aluminum) and cannot be strengthened through heat treatment. Therefore, its mechanical properties are enhanced by cold working. In the annealed condition, it exhibits high plasticity. Even after semi-cold working, it still maintains good formability. However, when fully cold worked, its plasticity decreases. It offers good corrosion resistance, excellent welding performance, and poor machinability.
Applications
Due to its excellent formability, good corrosion resistance, and strong weldability, 3003 aluminum tubes are ideal for use in components that require both high corrosion resistance and good weldability. Compared to 1xxx series alloys, they offer better strength. Common applications include storage tanks for liquid products, pressure vessels, pipelines, heat sinks, cosmetic containers, photocopier drums, and shipbuilding materials.
Chemical Composition
|
Chemical Composition (mass fraction, %) |
||||||||||
|
Si |
Fe |
Cu |
Si+Fe |
Mn |
Pb |
Zn |
Bi |
Other |
Al |
|
|
Single |
Total |
|||||||||
|
0.60 |
0.70 |
0.05–0.2 |
– |
1.0–1.5 |
– |
0.10 |
– |
0.05 |
0.15 |
Balance |
Mechanical Properties
|
Mechanical Properties, Material Parameters (Reference Values) |
|||||||
|
Tensile Strength σb (MPa) |
Yield Strength σ0.2 (MPa) |
Elongation δ5 (%) |
Brinell Hardness HBW |
Density Ï (g/cm³) |
Specific Heat Capacity c [J/(kg·K)] |
Thermal Conductivity λ [W/(m·K)] |
Heat Capacity c [J/(kg·K)] |
|
142–178 |
≥115 |
≥12 |
≤90 |
2.75 |
900 |
150 |
900 |
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