3003 H14 Aluminum Round Tube
3003 H14 Aluminum Round Tube is a widely used aluminum tube made from 3003 alloy, primarily composed of aluminum and a small amount of manganese. The H14 temper indicates that the tube has undergone work hardening, providing medium strength while maintaining good formability and corrosion resistance.
H14 is a work-hardened temper for 3003 aluminum alloy, indicating that the aluminum tube has undergone a moderate degree of hardening during manufacturing. Specifically, H14 means the tube has been cold worked to achieve medium strength. This temper provides good rigidity and load-bearing capacity, while still maintaining a decent amount of ductility and formability.
Due to its balanced strength and formability, 3003 H14 Aluminum Round Tube is widely used in various industrial and construction fields, particularly in environments that require certain strength and corrosion resistance.
3003 H14 Aluminum Round Tube Characteristics
- Strength: 3003 H14 Aluminum Round Tube has moderate strength, typically performing well under medium loads. Its tensile strength and yield strength are higher than pure aluminum, but slightly lower than some high-strength aluminum alloys (such as the 7075 series). This makes it ideal for applications requiring medium strength.
- Corrosion Resistance: Due to the presence of manganese, 3003 H14 Aluminum Alloy has excellent resistance to atmospheric corrosion. It can withstand most chemicals, acids, bases, and humid environments. Therefore, 3003 H14 Aluminum Round Tube is widely used in environments that require corrosion resistance, making it suitable for both indoor and outdoor applications.
- Formability and Weldability: 3003 H14 Aluminum Round Tube is very easy to form and process. It can be bent, cut, and formed with minimal impact on its strength or corrosion resistance. Its weldability is also excellent, capable of undergoing various welding processes (such as TIG and MIG welding) while maintaining high joint quality.
- Lightweight: The low density of aluminum gives 3003 H14 Aluminum Round Tube a light weight, making it ideal for applications where lightness is required and contributing to reducing overall structural weight.
- Surface Quality: 3003 H14 Aluminum Round Tube has a smooth surface with no obvious defects, typically offering a high visual appeal. This characteristic makes it particularly popular in applications where aesthetics are important.
3003 H14 Aluminum Round Tube Alloy Composition
3003 H14 Aluminum Round Tube is made from 3003 aluminum alloy, which primarily consists of aluminum (approximately 97%) and manganese (approximately 1.2%). The addition of manganese enhances the strength and corrosion resistance of the aluminum alloy without significantly increasing the weight. Compared to pure aluminum, 3003 alloy offers better strength and toughness while maintaining excellent processing characteristics.
| Element | Composition (%) |
| Si | 0.60 |
| Fe | 0.70 |
| Cu | 0.05-0.20 |
| Mn | 1.0-1.50 |
| Mg | - |
| Cr | - |
| Ni | - |
| Zn | 0.10 |
| Ti | - |
| Al | Remainder |
The mechanical properties of aluminium 3003 tubing
| Alloy | Temper | Wall thickness mm | Longitudinal tensile mechanical properties at room temperature | ||||
| Tension strength Rm N/mm² | Yield strength R p0.2 N/mm² | Elongation after break/% | |||||
| Full section specimen | other samples | ||||||
| A50 mm | A50 mm | Aa | |||||
| Not less than | |||||||
| 3003 | O | All | 95-130 | 35 | - | 20 | 25 |
| H14 | All | 130-165 | 110 | - | 4 | 6 | |
3003 H14 Aluminum Round Tube Applications
3003 H14 Aluminum Round Tube is commonly used in applications that require medium strength and corrosion resistance, such as HVAC systems, piping, and food processing equipment. It is especially suitable for applications that require ease of manufacturing and a balance between strength and flexibility. Its smooth surface and resistance to atmospheric corrosion make it ideal for both indoor and outdoor environments.
- HVAC Systems: Due to its excellent corrosion resistance and formability, 3003 H14 Aluminum Round Tube is often used in air conditioning and ventilation system pipes, cooling devices, and heat exchangers. It can effectively transfer heat while withstanding environmental changes.
- Food Processing Equipment: The corrosion resistance and ease of cleaning of 3003 H14 Aluminum Round Tube make it suitable for manufacturing equipment in the food processing industry, especially in wet or water-intensive environments.
- Piping Systems: It is used in a variety of piping systems, including oil, gas, and water supply pipelines. Its medium strength and corrosion resistance ensure reliability and safety during long-term use.
- Construction and Industrial Applications: 3003 H14 Aluminum Round Tube is commonly used in light structures such as building frames, supports, and scaffolding. It provides the necessary strength and support while maintaining a low weight.
- Automotive and Transportation Industry: 3003 H14 Aluminum Round Tube is widely used in lightweight automotive components, vehicle frames, and internal piping, helping to reduce the overall vehicle weight and improve fuel efficiency.
- Decorative Uses: Due to its smooth surface and excellent visual appeal, 3003 H14 Aluminum Round Tube is also used in decorative designs, such as display racks, railings, and handrails.
3003 H14 Aluminum Round Tube Advantages
- Excellent corrosion resistance: 3003 H14 Aluminum Round Tube is suitable for outdoor and humid environments.
- Easy to process and form: Ideal for applications requiring machining or custom shapes.
- Balanced strength and ductility: 3003 H14 Aluminum offers a good balance of strength and flexibility.
- Wide range of applications: Especially suitable for industries such as construction, HVAC, food processing, and more.
- Good weldability: Easy to connect with other components, suitable for complex manufacturing needs.
3003 H14 Aluminum Round Tube is an ideal, versatile aluminum tube for a wide range of applications requiring medium strength, excellent corrosion resistance, and excellent processing performance.
