—— Product Center ——

Quality builds brands, technology strengthens capabilities,

global development is achieved together.



Location: HOME > PRODUCTS > Aluminum / Aluminum Alloy > Aluminum/Aluminum Alloy Pipe > 2024 Al-Cu-Mg Duralumin Alloy Tube

2024 Al-Cu-Mg Duralumin Alloy Tube

Belonging to the 2XXX series, this Al-Cu-Mg alloy is a heat-treatable, high-strength "duralumin" (hard aluminum) alloy—a classic material used in the aerospace industry. It corresponds to the Chinese national standard grade 2A12 (formerly LY12). With copper (Cu) and magnesium (Mg) as its primary alloying elements, it gains strength through the precipitation of phases during the aging process. It offers a high strength-to-weight ratio, excellent fatigue resistance, and superior machinability.



Contact Us

The 2024 alloy belongs to the 2XXX series (Al-Cu-Mg) of high-strength aluminum alloys. It is a classic, high-strength, heat-treatable alloy widely used in the aerospace industry; it corresponds to the Chinese national standard grade 2A12 (formerly LY12). With copper (Cu) and magnesium (Mg) as the primary alloying elements, it gains strength through the precipitation of phases during the aging process. It offers a high strength-to-weight ratio, excellent fatigue resistance, and superior machinability. Density: 2.78 g/cm³.

Key characteristics: High strength, resistance to cyclic fatigue, and good machinability. However, it has relatively poor corrosion resistance and poor arc-weldability—the strength in the heat-affected zone (HAZ) drops significantly after welding. Consequently, riveting or bolting is the preferred method of joining, and protective coatings are mandatory if the material is exposed to the environment.

Parameter	Available Specifications
Alloy	1050, 1060, 1100, 2014, 2024, 3003, 5052, 5083, 6061, 6063, 6082, 7075
Temper	O, H12, H14, H16, H18, H22, H24, H32, H34, T3, T4, T5, T6, T8
Outer Diameter (OD)	6 mm – 600 mm (±0.05 mm – ±0.5 mm)
Wall Thickness (WT)	0.5 mm – 50 mm (±0.05 mm – ±0.3 mm)
Length	1 m – 12 m (custom cut available)
Shape	Round, square, rectangular, oval, special shaped
Surface Finish	Mill finish, polished, anodized, brushed, powder coated, PVDF coated, wood grain
Production Standard	GB/T 4437.1，GB/T3190；ASTM B221；EN 755
Application	Construction frame, handrail, window/door frame, tent pole, automotive part, heat exchanger, irrigation pipe, furniture, solar tracker
Packing	Woven bag or PVC film inside, wooden pallet / carton outside, end caps for protection
MOQ	500 kg – 1000 kg (sample order negotiable)
Supply Ability	3000 tons / month
Delivery Port	Shanghai, Tianjin, Guangzhou, Qingdao
Lead Time	7 –20 days after deposit

Chemical composition

Al	Cu	Mg	Mn	Si	Fe	Zn	Ti	Cr	Single impurity	Other impurities
Margin	3.80～4.90	1.20～1.80	0.30～0.90	≤0.50	≤0.50	≤0.25	≤0.15	≤0.10	≤0.05	≤0.15

Common supply tempers:

T3: Solution heat-treated, cold-worked, and naturally aged (most common). Tensile strength ≥ 470 MPa, yield strength ≥ 325 MPa, elongation ≥ 10%, hardness approximately 120 HB; offers the best combination of toughness and fatigue resistance.

T4: Solution heat-treated and naturally aged; provides slightly better plasticity, with strength levels comparable to the T3 temper.

O: Annealed; characterized by lower strength, making it suitable for forming operations.

Product Types: Seamless cold-drawn aluminum tubes and extruded round aluminum tubes; square/rectangular tubes can be customized. The primary focus is on seamless aerospace-grade tubes; limited stock is available for 6xxx-series alloys.

Surface Treatments: Hard-coat anodizing, painting, and pure aluminum cladding (Alclad). Standard anodizing often results in inconsistent color, making it unsuitable for visible exterior components. Bare (uncoated) material is highly susceptible to corrosion and requires protective measures for outdoor use.

Application Scenarios

1. Aerospace (Primary Application)

Structural tubing for aircraft fuselages and wings, landing gear components, structural support tubes, rivet sleeves, and load-bearing airframe components. Excellent fatigue resistance makes these tubes ideal for conditions involving cyclic (alternating) loads.

2. High-Performance Transportation

Tubing for racing car chassis, load-bearing components for high-performance motorcycles, truck wheel hub bushings, and high-strength load-bearing components for rail transit.

3. Precision Equipment & Defense

High-strength tooling, heavy-duty hydraulic cylinder barrels, load-bearing supports for precision equipment, and structural tubing for weaponry.

4. Medical Devices (External Use Only; Strictly Prohibited for Human Implantation)

High-load support tubing for large-scale medical equipment and load-bearing frames for the moving mechanisms of CT scanners. Intended for external use only; must not come into contact with bodily fluids.

5. Other

Heavy-duty robotic arm tubing, high-performance sports equipment, and components for testing machinery subject to cyclic loading.

Payment Methods

Flexible payment terms available: T/T and L/C. For new clients, 30% advance payment for production, balance against copy of B/L. L/C is acceptable for large & regular orders to secure both parties.

Previous:1060/1070 Industrial Pure Aluminum Tubes

Next:6063 Al-Mg-Si Aluminum Alloy Rod

Warehousing Management

Before each batch of steel leaves the factory, a complete process inspection is strictly carried out. From chemical composition, mechanical properties to dimensional tolerance and surface quality, each item is carefully checked to ensure compliance with national standards and export regulations. At the same time, the quantity, packaging and rust prevention treatment are also verified. An original factory warranty certificate is attached, guaranteeing the quality. Before shipment, inspection photos are provided. Any non-compliant items will not be released, and the quality is fully controllable throughout the process. This ensures your overseas purchasing is safe and worry-free.

All items are visually inspected before delivery. No cracks, deformation, rust, scratches or cutting marks are allowed; edges must be smooth. Only visually sound products will be shipped.

Thickness, width, length, wall thickness, outer diameter have been measured. Straightness, curvature, torsion, diagonal tolerance all meet the corresponding tolerance requirements.

Quality inspection includes: mechanical property tests (yield strength, tensile strength), elongation rate, impact energy, hardness testing, chemical composition testing, process performance testing, etc.

Inspection according to packaging requirements: secure binding, moisture-proof film, rust-proof paper, export fumigation/fumigation-free wooden crates, shipping marks, gross weight, net weight, etc.

We will provide full reception services to support the customers' on-site inspection of the goods.

Hot Rolling Production Line

Cold rolling precision processing

Cold drawing/cold rolling line

Hot Rolling Production Line

Hot rolling production line (producing hot-rolled coils/medium-thick plates, thickness 2–60mm)

Cold rolling precision processing

(Producing ultra-thin / high-precision / shiny panels, with thickness ranging from 0.1 to 3mm, for high-end products)
Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

Cold drawing/cold rolling line

(High-precision cold-drawn round steel, square steel, hexagonal steel, and special-shaped bars)

Warehousing Management

A ten-thousand-ton standardized warehouse with grid-based zoning and system positioning enables rapid material retrieval and reduces the time spent searching for materials.

Inbound inspection: Verify the physical items against the inbound form, inspect the appearance, dimensions, and labels. Once confirmed to be correct, the materials are entered into the ERP system and processed for storage.

Logistics and Global Delivery: Self-operated fleet + contracted logistics partners; expedited service available for urgent orders.

International Shipping: Supports FOB, CIF, DDP, and other trade terms, covering 100+ countries and regions.

Process: Booking → Trucking → Customs Declaration → Loading onto Ship/Aircraft → Bill of Lading Issuance → Document Delivery → Destination Port Customs Clearance (Optional) → Last-Mile Delivery.

Provides door-to-door one-stop logistics with full tracking to ensure safe and timely arrival of goods.

After-Sales Service and Traceability: Delivery receipts, logistics information, and quality inspection documents are sent to customers within 24 hours of shipment.

Established a full product lifecycle traceability system, allowing tracking of production, quality inspection, warehousing, and transportation records.

Follow-up inspection within 72 hours of arrival; rapid response and handling of quality issues; assistance in resolving customs clearance issues for foreign trade orders.

Packaging Method