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Precision-manufactured titanium tubes designed for high-efficiency heat transfer in power plant condensers, boilers, and cooling systems.
Titanium capillary tubing refers to small-diameter, thin-walled precision tubes — typically with outer diameters ranging from 0.5 mm to 25 mm — manufactured from commercially pure or alloyed titanium. In power generation heat exchangers, these tubes serve as the critical interface between hot and cold fluid streams, enabling efficient thermal transfer while enduring extreme pressures, temperatures, and corrosive environments.
Unlike stainless steel or copper-nickel alloys, titanium offers an unmatched combination of high strength-to-weight ratio, exceptional corrosion resistance (especially against chloride-rich seawater and steam condensates), and long operational life. For power plants — whether coal-fired, nuclear, gas turbine, geothermal, or offshore — this translates directly into reduced maintenance costs, fewer unplanned shutdowns, and extended asset lifecycles.
The global power sector is increasingly turning to titanium capillary tubing as the material of choice for condenser tubes, feedwater heaters, surface heat exchangers, and cooling coils — applications where failure is simply not an option.
Titanium capillary tubing has become the benchmark material for high-performance heat exchangers in power generation facilities worldwide. Its unique physical and chemical properties deliver measurable advantages over copper alloys, stainless steel, and duplex materials — particularly in seawater-cooled and steam-condensing applications where corrosion, biofouling, and erosion are persistent challenges.
Titanium forms a self-healing passive oxide layer (TiO₂) that provides outstanding resistance to chloride-induced pitting, crevice corrosion, and stress corrosion cracking — even in aggressive seawater, brine, and acidic steam environments common in power plant cooling systems.
Commercially pure titanium grades maintain structural integrity at temperatures up to 315°C, while titanium alloys can withstand even higher thermal loads — making them ideal for steam generators, feedwater heaters, and high-pressure condensers in nuclear and fossil fuel plants.
With strength comparable to steel at roughly 45% of the weight, titanium capillary tubing allows engineers to design more compact, lighter heat exchanger bundles without sacrificing mechanical performance — a critical advantage in offshore platforms and floating power units.
Titanium's smooth surface and electrochemical properties significantly reduce marine biofouling accumulation and erosion-corrosion from high-velocity fluid flows — extending cleaning intervals and maintaining thermal efficiency over the full operational life of the heat exchanger.
Titanium condenser tubes in power plants routinely achieve 25–40 year service lives with minimal maintenance, compared to 10–15 years for copper-nickel alternatives. This dramatically reduces total cost of ownership and unplanned outage risks over the plant's operational lifespan.
Titanium is non-toxic, fully recyclable, and does not leach harmful ions into cooling water streams — aligning with increasingly stringent environmental regulations governing power plant water discharge and supporting sustainable energy generation practices.
From nuclear condensers to geothermal heat recovery, titanium capillary tubing serves as the critical enabling material across the full spectrum of modern power generation technologies.
Nuclear facilities demand absolute reliability. Titanium Grade 2 and Grade 12 capillary tubes are widely specified for main steam condensers and auxiliary heat exchangers in PWR and BWR reactors, where seawater cooling, strict safety standards, and 60-year design lifetimes make titanium the only viable long-term solution.
Coal, gas, and oil-fired power stations operating near coastal or industrial water sources face severe chloride corrosion challenges. Titanium capillary tubing in shell-and-tube heat exchangers and surface condensers eliminates tube failure caused by chloride attack, dramatically reducing forced outages and maintenance expenditure.
Floating production platforms, LNG facilities, and ship-based power systems operate in some of the world's most corrosive environments. Titanium Grade 2 and Grade 7 capillary tubes provide the corrosion immunity and weight savings essential for compact, reliable heat exchangers on offshore installations.
Geothermal brines are among the most chemically aggressive fluids encountered in energy production, containing high concentrations of hydrogen sulfide, chlorides, and silica. Titanium capillary tubing — particularly Grade 7 with palladium additions — delivers unmatched resistance to these extreme geothermal environments.
In combined cycle power plants, heat recovery steam generators (HRSGs) and intercoolers operate under high thermal cycling stresses. Titanium's fatigue resistance and thermal stability make it the preferred tube material for maximizing heat recovery efficiency while ensuring long-term mechanical integrity.
Concentrated solar power (CSP) plants utilize high-temperature heat transfer fluids and require heat exchangers capable of withstanding thermal shock and corrosive molten salt environments. Titanium alloy capillary tubing provides the thermal-mechanical performance needed for next-generation solar thermal energy storage systems.
| Grade | Standard | OD Range | Wall Thickness | Key Properties | Typical Application |
|---|---|---|---|---|---|
| Grade 1 (CP-Ti) | ASTM B338 | 6.35 – 50.8 mm | 0.5 – 3.0 mm | Highest ductility, excellent corrosion resistance | Seawater condensers, low-pressure HX |
| Grade 2 (CP-Ti) | ASTM B338 | 6.35 – 76.2 mm | 0.5 – 4.0 mm | Balanced strength/ductility, general corrosion resistance | Power plant condensers, feedwater heaters |
| Grade 7 (Ti-Pd) | ASTM B338 | 6.35 – 50.8 mm | 0.5 – 3.0 mm | Superior resistance to reducing acids, crevice corrosion | Geothermal, chemical process HX |
| Grade 9 (Ti-3Al-2.5V) | ASTM B338 | 6.35 – 38.1 mm | 0.5 – 2.5 mm | Higher strength, good formability | High-pressure HX, aerospace-grade systems |
| Grade 12 (Ti-Mo-Ni) | ASTM B338 | 6.35 – 50.8 mm | 0.5 – 3.0 mm | Enhanced crevice corrosion resistance, higher strength | Nuclear, offshore, aggressive media HX |
The global titanium heat exchanger tube market is experiencing accelerated growth, driven by converging industrial, regulatory, and technological forces reshaping the power generation landscape.
With over 60 nuclear reactors under construction globally and dozens more planned, demand for titanium condenser tubing is surging. New reactor designs — including small modular reactors (SMRs) — increasingly specify titanium for its proven reliability and minimal maintenance requirements over 60+ year plant lifetimes.
As electricity demand grows in coastal regions of Asia, the Middle East, and Africa, new power plants are increasingly located near seawater cooling sources. This trend directly drives specification of titanium over copper-nickel alloys, which suffer accelerated corrosion in warm, polluted coastal waters.
Regulatory pressure on power plant cooling water discharge — particularly regarding copper ion contamination from copper-alloy tubes — is accelerating the shift to titanium. Titanium's inert nature eliminates heavy metal leaching concerns, simplifying environmental compliance for plant operators.
The integration of variable renewable energy sources into power grids increases thermal cycling demands on fossil fuel and nuclear plants operating in load-following mode. Titanium's superior fatigue resistance makes it the preferred material for heat exchangers subjected to frequent thermal cycling stresses.
Advances in titanium sponge production, tube manufacturing technology, and supply chain optimization are steadily reducing the cost premium of titanium versus competing materials. As the price gap narrows, the lifecycle cost advantage of titanium becomes compelling for an ever-broader range of power generation applications.
Smart power plants leveraging IoT sensors and AI-driven predictive maintenance are identifying heat exchanger tube degradation earlier. This data-driven approach is validating titanium's superior performance metrics and accelerating specification decisions by plant engineers and procurement teams worldwide.
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 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 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 power generation heat exchanger applications — where tube failure can trigger costly unplanned outages or safety incidents — our multi-stage quality assurance process provides the confidence that every titanium capillary tube delivered meets or exceeds ASTM B338, ASME SB-338, and applicable international standards.
Explore our full range of titanium tubes, bars, and plates — all engineered to meet the rigorous demands of power generation and industrial heat exchanger applications.
Where success is within reach — Partner with us for your power generation heat exchanger titanium solutions.
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