| After-sales Service: | Available |
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| Warranty: | 2years |
| Application: | Refrigerator, Air Condition, Automobile, Water Heater |
| Shape: | Round, Square, Rectange, Capillary, Oval, Profile |
| Surface Treatment: | Mill Finished |
| Grade: | 3000 Series |
| Samples: |
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| Customization: |
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Audited Supplier 
| Product Name | Aluminum Pipe/ Aluminum Tube / Round Pipe / Square Pipe / Rectanglur Pipe / Capillary Pipe / Profile |
| Manufacturing Technology | Drawn/Extruded/Forged,etc |
| Shape | Round,Square,Rectange,Capillary,Oval,Profile,etc |
| Grade | 1000 Series: 1050,1060,1070,1080,1100,1235,1350 etc 2000 Series: 2011,2014,2019,2024,2219,2A12,2A14 etc 3000 Series: 3003,3004,3005,3105,3A21 etc 4000 Series: 4043,4032 etc 5000 Series: 5005,5052,5083,5086,5182,5454,5754,5A05,5A06 etc 6000 Series: 6061,6063,6082,6005,6101 etc 7000 Series: 7021,7050,7075,7A04,7A09 etc |
| Temper | O-H112,T3-T8,T351-T851,T7451 etc |
| Lead Time | 3-5 days for stock, or depend on order |
| Standard | ASTM, AMS, GB/T, ASME, EN, ISO, DIN, JIS etc |
| Packing | Standard Export Package |
| Loading Port | Tianjin Port, or as requirement |
| Payment Term | T/T,L/C,D/P,D/A,Paypal,etc |
| Application | Plumbing and HVAC systems Automotive industry Construction and infrastructure Electrical and electronics Irrigation systems Marine application Industrial manufacturing |
3A21 is an aluminum alloy that belongs to the 3000 series of aluminum alloys. Although not as widely used as other alloys in this series, such as 3003 or 3004, 3A21 offers good corrosion resistance and moderate strength. When referring to a 3A21 aluminum tube, it typically means an extruded or drawn aluminum tube made from the 3A21 alloy.
Here are some key features and applications of 3A21 aluminum tubes:
Corrosion Resistance: 3A21 aluminum alloy provides good resistance to corrosion, particularly in environments where exposure to moisture or certain chemicals is a concern. It forms a protective oxide layer on its surface, enhancing its resistance to corrosion and oxidation.
Formability: 3A21 aluminum is highly formable, allowing for easy shaping and bending during fabrication. This makes it suitable for applications that require customized or complex tube shapes.
Moderate Strength: 3A21 aluminum offers moderate strength, making it suitable for applications that require structural integrity but do not require the highest levels of strength. It is commonly used in general-purpose applications where strength is not the primary consideration.
Weldability: 3A21 aluminum is generally weldable using various techniques, such as TIG (Tungsten Inert Gas) welding or MIG (Metal Inert Gas) welding. However, specific welding procedures and precautions should be followed to ensure proper weld quality and to minimize the risk of cracking or other defects.
Applications: 3A21 aluminum tubes find application in various industries, including construction, automotive, and HVAC (Heating, Ventilation, and Air Conditioning). They are suitable for applications such as heat exchangers, air conditioning systems, piping, and other general-purpose tubing applications.
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