The 7049 Aluminum Tube is a high-performance alloy known for its remarkable strength and corrosion resistance. As part of the 7000 series aluminum alloys, it is specially engineered to meet the stringent demands of aerospace and defense industries. With heat treatability, this alloy delivers both durability and stress corrosion cracking (SCC) resistance, making it an ideal replacement for 7079 alloy.
Produced through forging and extrusion processes, 7049 Aluminum Tubing is designed for high-stress environments, such as aircraft landing gear, missile parts, and other structural components. It maintains structural integrity under extreme pressure, positioning it as a reliable choice for demanding applications.
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Popular products of 7049 aluminum tube
7049 extrusion aluminum tube- Temper: T6,T6510,T6511, T76511
- OD: 0.4"-16"(10-420mm)
- WA: 0.018"-0.45"(0.45-11.5mm)
- Spec: EN 755, EN 573, AMS 4157, AMS 4159
7049 cold drawn aluminum tube- Temper: T6,T6510,T6511
- OD: 0.125"-8"(3-200mm)
- WA: 0.018"-0.45"(0.45-11.4mm)
- Spec: EN 754, EN 573
7049 aluminum forged tube- Temper: T73,T7352
- OD: 7.87"-39.37"(200-1000mm)
- Spec: AMS 4111, AMS 4247, ASTM B247, AMS-QQA-367,MIL-A-22771
7049 large diameter aluminum tube- OD: 7.8"-52"(200-1320mm)
- It adopts "500MN vertical hot extrusion unit" for vertical extrusion, with seamless structure, wide range of pipe specifications, high production efficiency, and a complete mold library, which can greatly save the cost of mold customization.
Mastar 7049 aluminum tube featured products
Do you need specialized tubing for your project? Mastar can supply both standard shapes and wall thicknesses! Custom profiles are available based on your requirements.Quick Quote
- 7049 aluminum square tube
- 7049 aluminum rectangular tube
- 7049 oval aluminum tube
- 7049 Streamline aluminum tube
- 7049 thin wall aluminum tube
- 7049 thick wall aluminum tube
Mastar Metal - quality aluminum tube supplier
- Price Advantage: We support bulk purchases for retailers and metal distributors, offering discounts and rebate policies for B-end bulk buyers. Our pricing is transparent, ensuring a competitive edge with equivalent quality materials.
- Delivery Time: With a stock of tens of thousands of tons, standard sizes can be matched directly from existing inventory, ensuring quick shipping. Advanced equipment and a professional team help shorten delivery times, providing convenient logistics and timely arrivals.
- Quality Products: Using high-quality aluminum billets, we produce aluminum tubes through reverse extrusion processes combined with excellent heat treatment techniques, optimizing product strength and ductility while ensuring uniform cooling and annealing processes. This guarantees high tensile strength and excellent performance.
- Comprehensive Quality Testing: We strictly implement multiple inspection processes, including tensile strength, elongation performance, ultrasonic testing, and metallographic testing, ensuring that outgoing aluminum tubes meet AMS, EN, NADCAP, and other standard certifications.
- Customer Service: We provide comprehensive after-sales service to address customer concerns. Our experienced technical team offers professional consultation and guidance, establishing a complete customer service system to ensure a high-quality service experience.
Features of 7049A aluminum tube
The 7049 aluminum alloy stands out for its improved strength-to-weight ratio, showing significant advantages compared to other alloys like 7075-T6. Here are some key characteristics that make this alloy a preferred choice:
- Heat Treatable: The 7049 alloy can be hardened through heat treatment, enhancing its mechanical properties.
- Stress Corrosion Resistance: Compared to 7075-T651, it exhibits significantly higher stress corrosion cracking (SCC) resistance, which is crucial for structural applications exposed to harsh environments.
- Lightweight: Despite its high strength, it remains lightweight, making it an ideal choice for aerospace applications where weight reduction is essential.
- Improved Chemical Composition: It has lower copper and chromium content compared to 7001, but a higher proportion of zinc and magnesium, enhancing strength without compromising toughness.
Best collaboration fields for 7049A aluminum tube
The 7049 aluminum alloy tube is widely used in aerospace, missile technology, and other high-demand industries, particularly suitable for aircraft main landing gear and structural forgings.
Aircraft Main Landing Gear- The application of 7049 aluminum alloy in aircraft main landing gear provides high strength and fatigue resistance, ensuring durability in high-stress environments.
Defense and Military- In the defense sector, 7049 aluminum alloy ensures stability and reliability in structural components, widely used in ammunition parts and missile components due to its excellent stress corrosion resistance and lightweight characteristics.
Structural Forgings- In the production of heavy structural forgings, 7049 aluminum alloy meets strength requirements and can be customized to meet specific application needs.
7049 aluminum tube procurement guide
1.Comprehensive documentation
Msatar can provide detailed quality testing reports, including raw material certificates, laboratory test reports, fumigation reports, specification guides, commercial invoices, and guarantees, ensuring the quality transparency and traceability of each batch of products.
2.Fine export packaging
In international shipping, the quality of packaging directly affects whether goods can rust, corrode, scratch, deform, or suffer other damages during transport. Therefore, high-quality packaging materials are crucial. Msatar has years of export packaging experience, providing safe and reliable packaging solutions for thousands of businesses. By using fumigated wooden boxes, wooden pallets, and other high-quality packaging materials, our packaging damage rate is only one-third of the industry average.
3.Professional loading solutions
Our experienced order-following team can provide flexible and diverse loading solutions, including options for 20/40-foot containers or bulk ships. Regardless of your cargo specifications and shapes, we can customize a refined loading plan that saves an average of 15% container space, effectively reducing your logistics costs.
7049 aluminum tube knowledge center
Standards and specifications of 7049 aluminum tube
- EN 573-3: 2009 Aluminium and aluminium alloys.Chemical composition and form of wrought products. Chemical composition and form of products
- EN 755-2:2008 Aluminium and aluminium alloys.Extruded rod/bar, tube and profiles. Mechanical properties
- EN 754-2: 2008 Aluminium and aluminium alloys. Cold drawn rod/bar and tube. Mechanical properties
Chemical composition of 7049 7049A aluminum tube
| Element | 7049 (GB/T 3190) | EN AW- 7049A (EN 573) |
| Si | 0.25 | 0.40 |
| Fe | 0.35 | 0.50 |
| Cu | 1.2-1.9 | 1.2-1.9 |
| Mn | 0.20 | 0.50 |
| Mg | 2.0-2.9 | 2.1-3.1 |
| Cr | 0.10-0.22 | 0.05-0.25 |
| Zn | 7.2-8.2 | 7.2-8.4 |
| Ti | 0.10 | 0.01-0.06 |
| Remarks | - | 0.25 Zr+Ti |
| Others (Each) | 0.05 | 0.05 |
| Others (Total) | 0.15 | 0.15 |
| Al | Rem | Rem |
Physical properties of 7049 7049A aluminum tube
| Properties | 7049 | 7049A |
| Density | 2.84 g/cm³ | 2.84 g/cm³ |
| Melting point | 480 - 640°C | 430 - 640°C |
| Thermal conductivity | 130 W/m·K | 130 W/m·K |
| Coefficient of thermal expansion | 23 µm/m·°C | 24 µm/m·°C |
| Electrical conductivity | 36 % IACS | 36 % IACS |
Mechanical properties of 7049A T6/T6510/T6511 aluminum tube
| Properties | Extruded tube | Cold drawn tube |
| Tensile strength Rm/Mpa | 610 | 590 |
| Yield strength Rp0.2/Mpa | 530 | 530 |
| Elongation | 4-5% | 5-7% |
| Hardness | 170 | 170 |
7049 aluminum alloy vs. 7075 aluminum alloy: comparison and analysis
7049 is a high-strength forged aluminum alloy known for its excellent stress corrosion cracking (SCC) resistance. It is primarily used in manufacturing parts that require high static strength and high fatigue strength, especially in the aerospace and missile industries, with applications including landing gear, gearboxes, and hydraulic cylinders.
7075 Aluminum Alloy is another well-known high-strength aluminum alloy widely used in the aerospace industry. It is renowned for its high strength, good mechanical properties, and moderate corrosion resistance. 7075 is commonly used in structural components that require both high strength and lightweight, such as aircraft fuselages and structural frames.
Chemical Composition
Compared to 7075, 7049 contains more zinc and magnesium, which gives it advantages in strength and stress corrosion cracking resistance, though it is slightly inferior in workability compared to 7075.
Mechanical Properties
Although the tensile and yield strengths of both alloys are similar, 7049 outperforms 7075 in stress corrosion cracking resistance and toughness, while 7075 offers slightly better workability.
Stress Corrosion Cracking Resistance
The ability to resist stress corrosion cracking is one of the largest performance differences between the two alloys.
- 7049-T6 is designed for applications with higher SCC resistance requirements and demonstrates stronger corrosion resistance in humid environments, making it ideal for critical aircraft components.
- 7075-T6, while possessing good strength, is prone to stress corrosion cracks in humid, high-stress environments. Therefore, 7049 may be the better choice for applications requiring extreme reliability.
Application Scenarios
- 7049 is particularly suitable for parts that require high static and fatigue strength, such as landing gear, gearboxes, hydraulic cylinders, and extrusions in aircraft and missile applications. It excels in high-stress corrosion environments, making it ideal for critical components in these sectors.
- 7075, with its high strength and good workability, is widely used in applications requiring lightweight structures, such as aircraft fuselages and structural frames. It is typically chosen for high-strength applications where the environmental corrosivity is lower.
For users in high-stress, high-corrosivity environments—such as critical structural components in aerospace and missile applications—7049 aluminum alloy is the ideal choice. Its toughness and resistance to stress corrosion cracking provide stronger reliability in these high-risk scenarios. Conversely, for applications requiring high strength but greater machining demands, such as aircraft fuselages or structural frames, 7075 aluminum alloy remains the preferred option in the industry due to its good workability and extensive usage experience.