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Explore our most-specified ASTM titanium tubing solutions engineered for aerospace structural, hydraulic, and thermal management systems.
In an era defined by the relentless pursuit of performance, efficiency, and safety in the skies, ASTM-certified titanium tubing has emerged as one of the most critical materials in aerospace and aviation engineering. From commercial jetliners and military fighter aircraft to next-generation space launch vehicles and unmanned aerial systems (UAS), titanium tubes conforming to ASTM international standards are enabling engineers to push boundaries that were once considered impossible.
The global aerospace titanium market is experiencing robust growth, driven by a surge in commercial aircraft orders, expanding defense budgets, and the rapid rise of the commercial space industry. According to industry analysts, the aerospace titanium market is projected to surpass USD 6.5 billion by 2030, with titanium tubing and piping systems representing a significant and growing segment of that figure.
Major aerospace OEMs including Boeing, Airbus, Lockheed Martin, and SpaceX are continuously increasing their titanium content per aircraft. The Boeing 787 Dreamliner, for example, incorporates approximately 15% titanium by weight — a figure that has grown steadily with each new generation of aircraft. This trend is directly fueling global demand for ASTM-compliant titanium tubing from certified suppliers.
The American Society for Testing and Materials (ASTM) has established a comprehensive set of standards that govern the composition, mechanical properties, dimensional tolerances, and testing requirements for titanium tubing used in aerospace applications. Compliance with these standards is not merely a preference — it is a contractual and regulatory requirement for virtually all aerospace supply chains.
| ASTM Standard | Titanium Grade | Primary Aerospace Application | Key Property |
|---|---|---|---|
| ASTM B338 | Gr.1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.12 | Heat exchangers, condensers, hydraulic lines | Corrosion resistance, formability |
| ASTM B337 | Gr.1, Gr.2 | Pressure piping, fuel systems | Weldability, ductility |
| ASTM B861 | Gr.1–Gr.38 | Seamless tube for structural/pressure use | High purity, tight tolerances |
| ASTM B862 | Gr.1–Gr.38 | Welded tube for fluid transport | Weld integrity, uniformity |
| ASTM B265 | Gr.1–Gr.38 | Sheet/plate for structural panels | Dimensional precision |
ASTM titanium tubing is not a single-use material — it is deployed across a remarkably diverse spectrum of subsystems within modern aircraft and spacecraft. Understanding these specific application contexts helps procurement engineers and system designers select the optimal grade and specification.
Grade 9 (Ti-3Al-2.5V) ASTM titanium tubing is the industry standard for aircraft hydraulic lines. Its combination of high strength, excellent formability, and resistance to hydraulic fluid degradation makes it ideal for routing through fuselage and wing structures at operating pressures exceeding 3,000 psi.
Environmental Control System (ECS) ducting and engine bleed air lines operate at elevated temperatures and pressures. Grade 12 (Ti-0.3Mo-0.8Ni) titanium tubing, with its superior creep resistance and elevated-temperature strength, is widely specified for these demanding thermal management applications.
Titanium's inherent resistance to aviation fuels, including Jet-A and JP-8, combined with its non-sparking characteristics, makes ASTM Grade 2 and Grade 9 tubing an excellent choice for fuel manifolds, crossfeed lines, and vent tubes in both commercial and military aircraft fuel systems.
In launch vehicles and spacecraft, titanium tubing must withstand cryogenic temperatures (liquid oxygen, liquid hydrogen) as well as the intense thermal cycling of re-entry. Grade 5 (Ti-6Al-4V) and Grade 23 ELI titanium tubes provide the fracture toughness and cryogenic ductility required for these extreme environments.
Aircraft and spacecraft thermal management systems rely on compact, lightweight heat exchangers. ASTM B338 Grade 2 titanium tubes offer an outstanding combination of thermal conductivity, corrosion resistance to coolants, and thin-wall precision manufacturing, enabling highly efficient heat transfer in minimal weight.
In military aircraft such as the F-22 Raptor and F-35 Lightning II, titanium structural tubing and extrusions form critical load-bearing elements of the airframe. ASTM-certified titanium provides the fatigue resistance and damage tolerance required to meet stringent military specifications (MIL-SPEC) and airworthiness certifications.
While traditional seamless and welded titanium tubes remain dominant, the aerospace industry is increasingly integrating additively manufactured titanium components with conventionally produced tubing. Hybrid assemblies — where 3D-printed titanium connectors and fittings are joined to ASTM B338 or B861 tube stock — are reducing part counts, eliminating fasteners, and enabling complex geometries that were previously impossible to manufacture.
The explosive growth of the Urban Air Mobility sector, driven by companies developing electric vertical takeoff and landing (eVTOL) aircraft, is creating entirely new demand streams for lightweight titanium tubing. These next-generation air taxis and cargo drones require titanium hydraulic, cooling, and structural tube systems that meet the same ASTM standards as conventional aircraft, but often in smaller diameters and with tighter tolerances to fit compact airframes.
As the aviation industry faces mounting pressure to reduce carbon emissions — with IATA targeting net-zero carbon by 2050 — every gram of weight saved translates directly into fuel savings and emissions reduction. ASTM titanium tubing's superior strength-to-weight ratio makes it a key enabling material for next-generation fuel-efficient aircraft, including hydrogen-powered and hybrid-electric platforms where lightweight fluid system components are critically important.
Government and commercial programs developing hypersonic vehicles (Mach 5+) place extraordinary demands on structural and fluid system materials. Titanium alloys capable of sustained operation at temperatures exceeding 500°C are being specified in ASTM-compliant tube form for cooling channels, fuel lines, and structural members in hypersonic airframes and propulsion systems.
Following supply chain disruptions experienced during the COVID-19 pandemic, major aerospace primes and tier-1 suppliers are actively pursuing dual-sourcing and supply chain diversification strategies. This has opened significant opportunities for qualified Asian manufacturers — particularly those based in China's industrial heartland — to supply ASTM-certified titanium tubing to global aerospace programs, provided they can demonstrate full compliance with AS9100 and NADCAP requirements.
Our manufacturing facility, spanning over 2,000 square meters, is strategically located in Suzhou, China, near Shanghai. Since its establishment in 2013, Rewell Titanium has quickly made a name for itself in the industry. This success is deeply rooted in the extensive experience and insightful leadership of our chairman, who has spent nearly 30 years in the non-ferrous metals sector. With a keen understanding of market demands and an unwavering commitment to product quality, we continuously optimize our production processes and invest in state-of-the-art equipment to ensure every product meets industry-leading standards. In addition to offering standardized products, we provide customized solutions tailored to meet our clients' specific operational needs, even in the most challenging aerospace environments.
At Rewell Titanium, our core belief is: "Helping every customer achieve success." We firmly understand that our customers' success is the driving force behind our own growth. Therefore, we go beyond providing exceptional products by offering comprehensive technical support and after-sales service. Our dedicated team works closely with clients to address challenges, optimize applications, and maximize performance. Through collaboration and innovation, we take pride in witnessing our clients' growth and achievements. We believe that delivering superior products enhances our clients' competitiveness, and in turn, their success leads to further cooperation. This mutually beneficial relationship forms the foundation of our business and is the reason why so many aerospace and aviation customers continue to choose Rewell Titanium.
Rewell Titanium is ISO 9001:2015 certified, and every product batch is accompanied by inspection reports issued by certified testing agencies, ensuring the highest standards of quality and performance. Our rigorous quality control system covers every stage of production, from raw material procurement to final delivery, guaranteeing that our products consistently meet and exceed our clients' expectations. For aerospace and aviation applications, we provide full material traceability, chemical composition certification, mechanical property test reports, and dimensional inspection documentation — meeting the documentation requirements of major aerospace primes and regulatory authorities worldwide.
Where aerospace excellence and success are within reach — Partner with us for ASTM-certified titanium tubing solutions that power the future of flight.
From seamless tubes and welded pipes to round bars and sheet plate — every product ASTM-certified and ready for aerospace qualification.
