Explore our core titanium foil and strip products engineered specifically for marine engineering equipment and corrosive industrial environments.
Marine engineering equipment operates in one of the most chemically aggressive environments on Earth — constant exposure to seawater, salt spray, chloride ions, biofouling, and high-pressure deep-sea conditions. Traditional stainless steel and aluminum alloys often fall short in long-term corrosion resistance, increasing maintenance costs and reducing equipment lifespan.
Titanium foil and strip have emerged as the material of choice for critical marine components. With a natural oxide layer that self-repairs in seawater, titanium offers virtually zero corrosion rate in marine environments — even in hot, polluted, or biologically active seawater. Its exceptional strength-to-weight ratio (superior to most steels) further enables the design of lighter, more fuel-efficient vessels and offshore structures.
From heat exchangers on naval vessels to flexible sealing strips in submarine pressure hulls, from desalination plant components to offshore oil platform piping, titanium foil and strip materials are becoming indispensable in modern marine engineering.
The global titanium materials market for marine engineering is expanding rapidly, driven by offshore energy, naval modernization, and deep-sea exploration initiatives worldwide.
Engineered to perform where other metals fail — titanium foil and strip deliver a unique combination of properties critical to marine engineering reliability.
Titanium forms a stable, self-healing TiO₂ passive film in seawater and chloride-rich environments, providing virtually unlimited corrosion resistance even in hot, polluted marine conditions.
With a density of only 4.51 g/cm³ — about 60% that of steel — titanium foil and strip deliver high tensile strength while dramatically reducing structural weight in vessels and offshore platforms.
Titanium maintains excellent mechanical properties from cryogenic deep-sea temperatures to elevated operating temperatures in heat exchangers and desalination systems.
Titanium's surface chemistry significantly inhibits marine biofouling and resists erosion-corrosion from high-velocity seawater flows, extending service life in pump and piping systems.
Titanium foil and strip can be precision-rolled to tight thickness tolerances and formed into complex geometries, supporting custom fabrication for heat exchanger plates, gaskets, and structural strips.
Despite higher initial material cost, titanium's exceptional durability in marine environments results in dramatically lower lifecycle costs compared to conventional alloys requiring frequent replacement.
Titanium foil and strip are deployed across a broad spectrum of marine engineering systems — each application leveraging distinct material advantages.
Titanium strip is the dominant material for plate-and-frame and shell-and-tube heat exchangers on warships and submarines. Its immunity to seawater corrosion eliminates leakage failures and reduces maintenance intervals, critical for operational readiness of naval fleets worldwide.
Flexible titanium strip is used in riser pipes, umbilical cables, and subsea flow lines on offshore platforms. Its combination of high strength, flexibility, and seawater resistance makes it ideal for dynamic loading conditions in deepwater oil and gas extraction.
Multi-stage flash (MSF) and reverse osmosis (RO) desalination plants extensively use titanium foil and strip for heat transfer surfaces, tube sheets, and sealing components — where resistance to hot brine, chlorinated seawater, and scaling is paramount.
Precision titanium foil is fabricated into flexible sealing strips and gaskets for submarine pressure hull penetrations and hatches, where dimensional precision, pressure integrity, and long-term corrosion resistance are non-negotiable.
Tidal turbines, wave energy converters, and offshore wind turbine foundations increasingly rely on titanium strip for structural reinforcement, electrochemical isolation strips, and corrosion-resistant fastening systems — enabling reliable operation in permanently submerged conditions.
Oceanographic research equipment — including autonomous underwater vehicles (AUVs), remotely operated vehicles (ROVs), and deep-sea sensors — uses titanium foil for EMI shielding, pressure housings, and flexible structural elements that must withstand extreme depths and pressures.
Our titanium foil and strip for marine engineering equipment are available in a comprehensive range of grades and dimensions to meet diverse application requirements.
| Grade / Alloy | Thickness Range | Width Range | Key Marine Application | Standard |
|---|---|---|---|---|
| Grade 1 (CP-Ti) | 0.05 – 0.5 mm | 5 – 500 mm | Desalination heat exchanger plates, gaskets | ASTM B265 / AMS 4902 |
| Grade 2 (CP-Ti) | 0.08 – 1.0 mm | 5 – 600 mm | Naval heat exchangers, seawater piping strips | ASTM B265 / GB/T 3621 |
| Grade 5 (Ti-6Al-4V) | 0.1 – 2.0 mm | 5 – 500 mm | Offshore structural strips, ROV components | ASTM B265 / AMS 4928 |
| Grade 7 (Ti-0.2Pd) | 0.05 – 0.8 mm | 5 – 400 mm | High-corrosion seawater systems, chemical tankers | ASTM B265 |
| Grade 12 (Ti-0.3Mo-0.8Ni) | 0.1 – 1.5 mm | 5 – 500 mm | Crevice-corrosion-resistant marine fastening strips | ASTM B265 |
| Ti-3Al-2.5V | 0.1 – 1.0 mm | 5 – 400 mm | Submarine hydraulic tubing strips, flexible risers | ASTM B265 / AMS 4943 |
Multiple macro-level forces are accelerating the uptake of titanium foil and strip across marine engineering sectors globally.
Major naval powers including the USA, China, Russia, and EU nations are investing heavily in next-generation submarine and surface combatant programs. These vessels demand titanium for pressure hulls, heat exchangers, and propulsion systems — creating sustained, high-volume demand for precision titanium foil and strip.
The global offshore wind capacity is projected to exceed 500 GW by 2030. Titanium strip is increasingly specified for corrosion protection systems, cable armor, and structural components in offshore wind foundations and inter-array cabling systems operating in aggressive marine environments.
As shallow-water reserves deplete, exploration moves to ultra-deepwater fields (3,000m+). At these depths, the mechanical and corrosion demands on flexible pipe strips and riser components far exceed the capabilities of conventional alloys — making titanium the only viable long-term solution.
With over 20,000 desalination plants operating globally and hundreds more under construction, demand for titanium heat exchanger strip in MSF and MED plants is growing rapidly — particularly in the Middle East, North Africa, and coastal Asia-Pacific regions.
The proliferation of AUVs, USVs (unmanned surface vehicles), and underwater drones for defense, survey, and environmental monitoring is creating new demand for miniaturized, lightweight titanium foil components in pressure housings, sensor mounts, and structural elements.
IMO regulations on vessel emissions, antifouling coatings, and ballast water treatment are pushing shipbuilders toward titanium-based heat exchangers and piping systems that eliminate toxic coating requirements and reduce maintenance-related pollution risks.
Baoji Yunjie Metal Products Co., Ltd. — headquartered in China's "Titanium Valley" — delivers precision titanium foil and strip solutions optimized for marine engineering equipment. With 30+ years of specialty metal expertise, complete in-house processing capabilities, and rigorous quality systems, we support global marine engineering projects from prototype to mass production.
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Founded in 1995 and headquartered in Baoji, Shaanxi — China's "Titanium Valley" and the country's largest base for rare-metal processing — Baoji Yunjie Metal Products Co., Ltd. has specialized for over three decades in refractory and specialty metals, including tungsten, molybdenum, tantalum, niobium, titanium, nickel, and zirconium. Today, Yunjie is recognized as a leading specialist and innovator in the region's specialty-metal processing industry.
Yunjie operates a 15,000 m² manufacturing campus with 8,000 m² of integrated R&D, production, and office facilities, and a registered capital of RMB 15 million. The company has established comprehensive quality management, production assurance, and in-house R&D and innovation systems — providing end-to-end, hardware-to-process control that underpins stable quality and supports large-scale, high-precision manufacturing.
Contact UsOur consistent pursuit of quality and innovation has earned Yunjie numerous prestigious recognitions from government authorities and industry bodies.

Named a "Gazelle Enterprise" by Baoji High-tech Zone; certified by the Shaanxi Department of Industry and Information Technology as a "Specialized, Refined, Characteristic & Innovative (SRDI)" SME and a High-tech Enterprise.

Awarded Shaanxi Hidden Champion Enterprise, Demonstration Enterprise for Transformation & Upgrading of the Private Economy, and Shaanxi Industrial Premium Product Enterprise.

Upgraded to a Municipal-level R&D Institution for Industrial Enterprises (Baoji); in October 2024, accredited as a Baoji Municipal Military-Civil Fusion Enterprise. These credentials reflect Yunjie's growing industry recognition.
Focusing on special metals and alloys (W, Mo, Ti, Ta, Nb, Zr, Ni), Yunjie runs complete processing lines — including rolling (calendering), heat treatment, and sheet-metal & precision machining — enabling full in-house control from raw-material processing to finished-product delivery.







Guided by the principle "Quality ensures survival, efficiency drives growth, and continuous improvement earns customer satisfaction," Yunjie has continuously upgraded its quality systems for more than 30 years. With professional manufacturing services and consistently excellent product performance, we have earned the lasting trust of customers in China and around the world.
Every titanium foil and strip product destined for marine engineering applications undergoes rigorous dimensional inspection, mechanical property testing, corrosion resistance verification, and surface quality evaluation — ensuring compliance with international standards including ASTM, AMS, and GB/T specifications.
Explore our complete range of specialty metal products — all manufactured to the highest quality standards for demanding marine and industrial applications.