3003 Aluminum Pipe
3003 aluminum pipes are commonly used in applications that require high plasticity and excellent weldability. They are ideal for low-load components operating in liquid or gaseous environments, such as fuel lines, lubrication pipelines, and small load parts made from deep-drawn structures. These pipes are also used for rivet wiring and other similar purposes.
Temper: O, H112, H14, H24
Characteristics
3003 is an Al-Mn alloy, the most widely used rust-proof aluminum grade. It has moderate strength (slightly higher than industrial pure aluminum) and cannot be strengthened through heat treatment. Instead, its mechanical properties are improved through cold working. In the annealed state, it exhibits high plasticity. When semi-cold worked, it still maintains good formability. However, when fully cold worked, its plasticity decreases. It offers good corrosion resistance, excellent welding performance, but has poor machinability.
Applications
3003 aluminum tubes have excellent formability, solubility, and corrosion resistance. They are suitable for parts requiring good forming and weldability, or where both properties are necessary. Compared to 1xxx series alloys, they offer slightly higher strength. Common uses include storage tanks for liquid products, pressure vessels, pipelines, heat exchangers, 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 Characteristics (Reference Values)
|
|
Tensile Strength
σb (MPa)
|
Yield Strength
σ0.2 (MPa)
|
Elongation
δ5 (%)
|
Brinell Hardness
HBW
|
Density
Ï (g·cmâ»Â³)
|
Specific Heat Capacity
c [J/(kg·K)]
|
Thermal Conductivity
λ [W/(m·K)]
|
Heat Capacity
c [J/(kg·K)]
|
|
142–178
|
≥115
|
≥12
|
45–65
|
2.75
|
897
|
130–140
|
900
|
3003 aluminum pipe is a versatile material known for its durability and adaptability in various industrial and commercial applications. Whether you're looking for reliable piping solutions or lightweight structural components, this alloy provides a balanced combination of strength, formability, and corrosion resistance. Its widespread use in transportation, manufacturing, and construction highlights its importance in modern engineering and design.
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