At Zhangjiagang Chewit International Co., Ltd., operating through pipecw.com, we specialize in delivering premium 7075 T6 forged tubes that aerospace engineers worldwide depend on for mission-critical applications. These high-strength alloys combine exceptional mechanical properties with lightweight design, making them indispensable for aircraft structural components, satellite systems, and rocket propulsion frameworks.
Our forged aluminum tubing adheres to rigorous standards such as ASTM B247, AMS 4126, and MIL-F-7216, guaranteeing unmatched performance in extreme conditions. As premier aviation tube suppliers in China, we offer tailored solutions that optimize weight reduction, enhance durability, and boost overall efficiency in international aerospace ventures.
The 7075 aluminum alloy, a cornerstone of modern aerospace engineering, traces its origins to the 1940s when it was developed for military aircraft during World War II. Today, its T6 temper aluminum variant—achieved through solution heat treatment and artificial aging—delivers tensile strengths up to 83,000 psi, rivaling many steels while maintaining a density of just 2.81 g/cm³.
At pipecw.com, we forge these tubes using advanced closed-die and open-die techniques, ensuring seamless integration into projects from commercial aviation giants like Boeing to innovative space explorers like SpaceX. Engineers select our seamless aluminum pipes for their ability to withstand high stresses, resist fatigue, and endure corrosive environments, all while contributing to fuel savings and extended service life.
In this comprehensive guide, we explore the intricacies of 7075 T6 forged aluminum, from its chemical composition to real-world applications. Whether you seek precision-engineered tubing for prototypes or bulk orders for production, pipecw.com stands as your reliable partner, committed to quality and innovation in the aerospace sector.
7075-T6 alloy tubes provide unparalleled strength for maintaining aircraft structural integrity. We manufacture these tubes at pipecw.com to achieve an ultimate tensile strength exceeding 560 MPa, surpassing many competitors and equaling steel's robustness at a fraction of the weight. Aerospace manufacturers integrate our 7075 T6 forged tubes into vital components like wing spars, fuselage frames, and landing gear assemblies, where failure is not an option.
The alloy's composition—primarily aluminum with 5.1-6.1% zinc, 2.1-2.9% magnesium, 1.2-2.0% copper, and trace elements like chromium—enhances its precipitation hardening during the T6 temper process. This involves solution heat treatment at approximately 480°C, followed by rapid quenching and artificial aging at 120°C for 24 hours, resulting in a fine dispersion of precipitates that boost strength and toughness.
• Core Advantages: Minimum yield strength of 480 MPa; superior load distribution for dynamic flight conditions.
• Specific Uses: Reinforcing bulkheads in supersonic jets and supporting control surfaces in drones.
• Our Edge at pipecw.com: Advanced non-destructive testing ensures zero internal defects, providing 100% reliability.
Furthermore, the high tensile strength metal in these tubes resists deformation under high G-forces, making them ideal for fighter aircraft that endure rapid maneuvers. Independent studies confirm that 7075-T6 properties offer up to 50% better fatigue life compared to lower-grade alloys, reducing maintenance downtime and operational costs.
Precision forged seamless aluminum tubes underpin advancements in aerospace engineering. At pipecw.com, we employ state-of-the-art extrusion followed by forging to create forged aluminum tubing with impeccable uniformity. This eliminates weld seams, which often serve as weak points in pressurized systems like hydraulic lines and fuel conduits.
Our manufacturing begins with high-purity billets of 7075 aluminum alloy, heated to 400-500°C for malleability. Closed-die forging then shapes the material under immense pressure—up to 2,000 tons—refining the grain structure for enhanced mechanical properties. Post-forging, we apply heat-treated aluminum processes to lock in strength, achieving tolerances as tight as ±0.05mm for wall thickness and straightness below 0.5mm per meter.
• Step-by-Step Process: Billet preparation, pre-heating, die forging, quenching, aging, and final machining.
• Engineering Specs: Surface finishes to Ra 0.8μm; custom diameters from 10mm to 500mm per ISO 6363-2.
• Aerospace Integration: Used in orbital satellite frames and unmanned aerial vehicle (UAV) chassis.
Compared to extruded-only tubes, our seamless forged tubes exhibit 20-30% higher burst pressure resistance, crucial for high-altitude operations where atmospheric pressures fluctuate dramatically.
Lightweight 7075 T6 tubing transforms aviation and space applications by drastically reducing structural mass. Our products at pipecw.com enable weight savings of up to 30% over steel equivalents, directly translating to improved fuel efficiency and payload capacity in aircraft and spacecraft.
In space missions, lightweight aerospace metals like these tubes form the backbone of deployable structures, such as solar array booms and antenna masts. Their low density combined with high stiffness minimizes launch costs—every kilogram saved can equate to thousands in fuel savings for rockets.
• Efficiency Enhancements: Cuts aircraft fuel consumption by 5-10% through optimized aerodynamics.
• Space-Optimized Features: Radiation-tolerant coatings for long-duration orbital missions.
• Customization Options: Anodized aluminum tube finishes and telescopic extension pole configurations for versatile deployment.
Real-world examples include their use in the International Space Station's truss segments, where 7075 T6 forged aluminum withstands microgravity and thermal cycling from -150°C to +120°C.
Corrosion-resistant forged aluminum tubes safeguard military aerospace assets in hostile environments. We enhance our 7075 T6 forged tubes at pipecw.com with protective treatments like black phosphating or Type III hard anodizing, delivering salt spray resistance exceeding 1,000 hours per ASTM B117 standards.
Military grade aluminum demands resilience against humidity, saltwater, and chemical exposures common in naval aviation or desert operations. Our forging process inherently improves grain alignment, reducing susceptibility to stress corrosion cracking.
• Protective Layers: Anodizing to 25-50μm thickness for abrasion resistance.
• Rigorous Testing: Immersion in 3.5% NaCl solutions and humidity chambers.
• Compliance Standards: Fully adherent to MIL-A-8625 for military specifications.
Defense applications span from F-35 fighter jet hydraulic systems to drone fuselages, where our corrosion-resistant tubing ensures operational readiness in extreme climates.
Custom 7075-T6 heat-treated tubes elevate high-performance aircraft to new heights. pipecw.com customizes these with profiles ranging from round to polygonal, tailored to exact client blueprints for seamless fitment.
The heat-treated aluminum regimen—solution annealing, quenching, and aging—maximizes the alloy's potential, yielding elongation rates of 10-12% alongside peak hardness. This balance allows for intricate machining without brittleness.
• Tailored Features: Adjustable alloy compositions for specialized loads; lengths up to 12 meters.
• Performance Metrics: 20% superior ductility over untreated variants.
• Aircraft-Specific: Ideal for engine pylons and aileron actuators in supersonic designs.
We collaborate with engineers to prototype rapidly, using CNC machining for precise forged small parts integration.
Durable aerospace-grade aluminum forged tubes originate from dependable suppliers in China, with pipecw.com leading the charge. Our ISO 9001 and AS9100 certifications underscore our commitment to quality, exporting to over 50 countries.
These tubes endure over 10 million fatigue cycles, thanks to refined microstructures from our aluminum forging process. We offer both open die forging parts and closed die forging parts for versatility.
• Logistics Excellence: Lead times of 4-6 weeks from order to delivery.
• Quality Assurance: Ultrasonic and radiographic inspections on every batch.
• Global Clientele: Serving OEMs in North America, Europe, and Asia-Pacific.
As reliable suppliers, we prioritize sustainability, recycling 95% of scrap in our processes.
7075 T6 alloy specifications assure strength and reliability during flight. Below is a detailed table of key properties:
| Property | Value Range | Standard Reference |
| Ultimate Tensile Strength | 560-610 MPa | AMS 4045 |
| Yield Strength | 480-530 MPa | ASTM B241 |
| Elongation at Break | 10-12% | EN 754 |
| Brinell Hardness | 150 HB | ISO 6363 |
| Density | 2.81 g/cm³ | MIL-F-7216 |
| Shear Strength | 330 MPa | ASTM B247 |
| Fatigue Strength | 160 MPa (at 5x10^8 cycles) | AMS 4126 |
| Element | Percentage Range |
| Aluminum | Balance |
| Zinc | 5.1-6.1% |
| Magnesium | 2.1-2.9% |
| Copper | 1.2-2.0% |
| Chromium | 0.18-0.28% |
| Iron | ≤0.50% |
| Silicon | ≤0.40% |
| Alloy | Tensile Strength (MPa) | Weight Savings vs. Steel | Primary Use |
| 7075-T6 | 560-610 | 30-40% | Aerospace structures |
| 6061-T6 | 240-310 | 25% | General engineering |
| 2024-T3 | 400-480 | 28% | Aircraft skins |
| Titanium 6Al-4V | 900-1000 | 40% (but heavier than Al) | High-temp applications |
7075-T6 leads in balanced performance for aerospace.
Emerging trends favor 7075 T6 forged tubes in sustainable aviation, with bio-based coatings and additive manufacturing hybrids on the horizon. pipecw.com invests in R&D to stay ahead.
• What makes 7075-T6 superior? Its high strength alloys and corrosion resistant tubing.
• Can you customize? Yes, including aluminum telescopic pole variants.
• Lead times? 4-6 weeks for standard orders.
As reliable suppliers of 7075 T6 forged tubes for global aerospace projects, pipecw.com invites you to partner with us. Contact our team for consultations, samples, or quotes on forged aluminum tubing, seamless aluminum pipes, or other aluminum alloy pipe solutions. Elevate your projects with our expertise—reach out today and soar higher.
Zhangjiagang Chewit International Co.,Ltd is a professional supplier of precision steel tubes ,forging and aluminum products with decades experience.
+86 18962244644
SHUANGSHAN ROAD, JINGANG TOWN, ZHANGJIAGANG CITY, JIANGSU PROVINCE, CHINA
sale@chewit.cn
