3003 Aluminum Pipe
3003 Aluminum Pipe
Sky Steel Group supplies 3003 aluminum pipes for heat exchanger components, HVAC equipment, low-pressure fluid lines, and fabricated tubular parts. This non-heat-treatable aluminum-manganese alloy provides good formability, weldability, and corrosion resistance in general industrial environments. Pipe diameters, wall thicknesses, and tempers can be specified according to manufacturing requirements. Custom cut lengths and material certificates can be requested, subject to supplier confirmation.
- Mill Test Certificate Provided
- Strict Quality Inspection
- Custom Sizes Available
- On-Time Global Delivery
3003 aluminum pipe is manufactured from an aluminum-manganese alloy containing approximately 1.0–1.5% manganese. As a non-heat-treatable alloy, 3003 develops its strength through cold working rather than precipitation hardening. It offers good formability, weldability, and corrosion resistance, making it suitable for heat exchanger components, HVAC equipment, low-pressure fluid lines, and fabricated tubular parts.
3003 aluminum pipes can be produced in different outside diameters, wall thicknesses, and tempers depending on the manufacturing process. Common temper designations include O and H-series conditions, with availability depending on the product form. ASTM B210/B210M applies to drawn seamless aluminum tubes, while ASTM B241/B241M covers seamless pipes and seamless extruded tubes. The applicable standard, dimensional tolerances, and temper should be confirmed according to the required product specifications.
Sky Steel Group supplies 3003 aluminum pipes for industrial fabrication, thermal equipment, and general-purpose tubing applications. Customers can request specific diameters, wall thicknesses, cut lengths, and material inspection documentation. Material certificates and custom processing services can be arranged according to order requirements, subject to supplier confirmation. For quotation, please provide the required dimensions, temper, quantity, and applicable material standard.
Key Features of 3003 Aluminum Pipe
- Aluminum-Manganese Alloy: Non-heat-treatable 3003 alloy with good formability.
- Corrosion Resistance: Suitable for general industrial and atmospheric environments.
- Good Weldability: Suitable for welded tubular components and fabricated assemblies.
- Easy Forming: Supports bending and shaping in suitable tempers.
- Heat Transfer Applications: Used in heat exchangers and HVAC equipment.
- Custom Supply: Various diameters, wall thicknesses, and cut lengths upon request.
Technical Specifications of 3003 Aluminum Pipe
| Specification | Details |
|---|---|
| Product Name | 3003 Aluminum Pipe |
| Alloy Grade | 3003 |
| UNS Designation | A93003 |
| Material | Aluminum-Manganese Alloy (Al-Mn) |
| Temper | O, H12, H14, H18 (Subject to Availability) |
| Pipe Type | Seamless / Extruded (Subject to Availability) |
| Outside Diameter (OD) | Custom Sizes Upon Request |
| Wall Thickness | According to Required Dimensions |
| Length | Standard Mill Lengths / Custom Cut Lengths |
| Manufacturing Standard | ASTM B241/B241M (Seamless Pipe Options) |
| Surface Finish | Mill Finish |
| Processing Services | Cutting / Bending / Fabrication (Upon Request) |
| Corrosion Resistance | Good in General Industrial Environments |
| Weldability | Good |
| Typical Applications | HVAC, Heat Exchangers, Low-Pressure Fluid Lines, Fabricated Components |
| Material Certificate | Mill Test Certificate (Upon Request) |
| Packaging | Protective Bundles / Export Packaging |
Product Applications

01
Heat Exchangers
Used for tubular components in heat exchangers and thermal transfer equipment, where good formability and corrosion resistance are required.
02
HVAC Equipment
Suitable for selected HVAC assemblies, ventilation equipment, and air conditioning components requiring lightweight, formable aluminum tubing.
03
Low-Pressure Fluid Lines
Used in low-pressure liquid and air transfer systems where pipe dimensions, operating conditions, and fluid compatibility meet application requirements.
04
Fabricated Tubular Components
Used for bent tubes, cut-to-length sections, welded assemblies, and custom tubular parts in industrial equipment and general metal fabrication.
Frequently Asked Questions About 3003 Aluminum Pipe
1. Can 3003 aluminum pipe be bent without cracking?
Yes. Grade 3003 has good formability, particularly in the O (annealed) temper. Bendability depends on wall thickness, tube diameter, temper, and bend radius.
2. Is 3003 aluminum pipe suitable for heat exchangers?
3003 aluminum is used in certain heat exchanger components because of its formability and corrosion resistance. Suitability depends on the operating temperature, fluid, pressure, and required thermal performance.
3. How does 3003 aluminum pipe compare with 6061?
3003 generally offers better formability, while 6061-T6 provides significantly higher strength. Grade 3003 is often selected for formed tubular components, whereas 6061-T6 is more suitable for machined parts and structural applications.
4. Can 3003 aluminum pipes be welded?
Yes. 3003 aluminum has good weldability and is commonly joined using suitable aluminum welding processes. Filler metal selection depends on the joint design, service conditions, and fabrication requirements.
5. Which sizes and tempers are available?
Outside diameter, wall thickness, length, and temper depend on the manufacturing method and supplier availability. Please provide your required dimensions, temper, quantity, and applicable standard for confirmation.
6. Can you provide custom lengths and material certificates?
Custom cut lengths and mill test certificates can be requested, subject to manufacturer capabilities. Please specify your cutting tolerances and documentation requirements when requesting a quotation.








