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Precision-engineered titanium tubes and pipes trusted by global oil & gas operators for downhole, subsea, and refinery-critical applications.
The 1.75-inch outer diameter titanium tube has become one of the most widely specified tubular products in modern oil and gas extraction. This precise diameter sits at a critical intersection of mechanical capacity and installation flexibility — large enough to handle substantial fluid volumes and pressure loads, yet compact enough for integration into tight wellbore assemblies, coiled tubing systems, and compact heat exchangers aboard FPSOs.
Titanium's unique combination of properties — exceptional corrosion resistance in chloride-rich brines, hydrogen sulfide (H₂S) environments, and carbon dioxide (CO₂)-laden fluids — makes it indispensable where carbon steel and even stainless steel fail prematurely. In deepwater and ultra-deepwater extraction, where wellhead pressures can exceed 15,000 psi and temperatures fluctuate dramatically, the mechanical integrity of 1.75" titanium tubing provides a long-term, cost-effective alternative to frequent replacement cycles.
Beyond raw performance, titanium's low density (approximately 60% that of steel) dramatically reduces the structural load on offshore platforms and subsea installations, translating directly into reduced CAPEX and OPEX over the field lifecycle. The 1.75" OD profile is particularly prevalent in chemical injection lines, hydraulic control lines, umbilical tubing bundles, and heat exchanger tube bundles within crude oil processing trains.
Titanium forms a stable, self-healing TiO₂ oxide film that resists chloride-induced pitting, crevice corrosion, and stress corrosion cracking — critical in seawater injection systems and sour gas wells containing H₂S and CO₂.
With tensile strength comparable to alloy steel at nearly half the weight, 1.75" titanium tubing reduces topside and subsea structural loads, enabling leaner platform designs and lowering overall project costs.
Titanium maintains mechanical integrity from cryogenic LNG temperatures up to 350°C, making it suitable across the full spectrum of oil and gas processing environments — from arctic subsea to high-temperature refinery heat exchangers.
Dynamic loading from wave action, vibration, and pressure cycling in offshore environments demands high fatigue life. Titanium's fatigue endurance limit significantly outperforms stainless steel in cyclic service conditions.
Titanium's non-magnetic nature avoids interference with downhole measurement-while-drilling (MWD) tools and electromagnetic logging equipment, providing operational advantages in precision drilling operations.
Despite higher initial cost, titanium tubing delivers dramatically lower total cost of ownership through extended service intervals, reduced maintenance downtime, and elimination of costly chemical inhibitor programs required for steel alternatives.
Studies across major deepwater fields in the Gulf of Mexico, North Sea, and West Africa indicate that switching from duplex stainless steel to titanium tubing in chemical injection and hydraulic control systems reduces maintenance-related downtime by up to 40% and extends mean time between replacement (MTBR) from 5–7 years to 20+ years — a compelling lifecycle economic argument that is driving rapid adoption.
| Grade | OD (in) | UTS (MPa) | Yield (MPa) | Key Alloying | Primary O&G Application |
|---|---|---|---|---|---|
| Grade 1 (CP-Ti) | 1.75 | ≥240 | ≥170 | Pure Ti | Chemical injection lines, low-pressure instrumentation tubing |
| Grade 2 (CP-Ti) | 1.75 | ≥345 | ≥275 | Pure Ti | Seawater cooling, condenser tubes, brine handling |
| Grade 7 (Ti-0.2Pd) | 1.75 | ≥345 | ≥275 | Ti + 0.12–0.25% Pd | Sour service (H₂S), reducing acid environments, CCS injection |
| Grade 9 (Ti-3Al-2.5V) | 1.75 | ≥620 | ≥520 | 3% Al, 2.5% V | Hydraulic control lines, high-pressure umbilicals, coiled tubing |
| Grade 12 (Ti-0.3Mo-0.8Ni) | 1.75 | ≥483 | ≥345 | Mo + Ni | Crevice corrosion-critical service, subsea heat exchangers |
From wellhead to processing plant, 1.75" titanium tubing plays a critical role across the entire oil and gas value chain. Below are the most significant application scenarios driving commercial demand.
Subsea umbilical systems bundle multiple 1.75" titanium tubes to deliver hydraulic fluid, chemical inhibitors, and electrical signals to subsea trees and manifolds at water depths exceeding 3,000 meters. Titanium's resistance to external seawater corrosion and internal chemical attack, combined with its flexibility for dynamic service, makes it the preferred material for thermoplastic hose-free all-metal umbilical designs increasingly adopted in deepwater West Africa and Brazil pre-salt fields.
Crude oil distillation, hydrotreating, and desalting units subject heat exchanger tubes to highly corrosive process streams containing chlorides, sulfur compounds, and naphthenic acids. 1.75" titanium tubes replace traditional admiralty brass or stainless steel tubes in overhead condenser and crude preheat train exchangers, delivering service lives exceeding 20 years with minimal fouling and near-zero corrosion allowance, significantly reducing turnaround maintenance costs.
Scale inhibitors, corrosion inhibitors, hydrate suppressants (methanol/MEG), and biocides must be continuously injected into producing wells via dedicated capillary tubing strings. 1.75" Grade 7 and Grade 9 titanium tubes are deployed as injection mandrel connections and surface-to-wellhead chemical lines, providing immunity to the very chemicals being injected while resisting the aggressive produced fluids encountered at injection points.
Natural gas sweetening plants processing H₂S-rich sour gas subject piping and heat transfer equipment to combined sulfide stress cracking (SSC) and hydrogen-induced cracking (HIC) risks. Titanium — particularly Grade 7 with palladium addition — demonstrates outstanding resistance to SSC in NACE MR0175/ISO 15156-compliant sour service conditions, enabling reliable operation in amine regenerator overhead systems and Claus sulfur recovery units.
Floating Production, Storage and Offloading (FPSO) vessels use large volumes of seawater for pressure maintenance injection into reservoirs and for cooling utilities. 1.75" titanium tubes in seawater lift pump casings, overboard discharge headers, and injection line heat exchangers provide decades of corrosion-free service in the most aggressive marine environment without cathodic protection requirements, reducing both installation complexity and ongoing maintenance burden.
LNG liquefaction facilities require tubing materials that maintain ductility and impact toughness at temperatures as low as -196°C. Titanium's body-centered hexagonal crystal structure retains excellent toughness at cryogenic temperatures, making 1.75" titanium tubes suitable for instrumentation lines, sampling systems, and secondary containment tubing within LNG cold boxes — applications where austenitic stainless steel is cost-prohibitive and carbon steel is mechanically unsuitable.
Grade 9 Ti-3Al-2.5V titanium is the material of choice for coiled tubing strings used in well intervention, stimulation, and cleanout operations. Its high strength-to-weight ratio allows longer string lengths to be deployed compared to steel, enabling single-trip operations in extended-reach and horizontal wells. The fatigue resistance of titanium coiled tubing is particularly valued in high-cycle workover programs where steel strings require frequent replacement due to fatigue cracking.
As the energy industry transitions toward lower-carbon operations, CCS projects inject CO₂-rich streams into geological formations via repurposed or new injection wells. Wet CO₂ is extremely corrosive to carbon steel and many stainless alloys. 1.75" Grade 7 titanium tubes, with their exceptional resistance to carbonic acid and supercritical CO₂, are increasingly specified for CCS injection tubing strings and surface injection piping — positioning titanium at the forefront of the energy transition.
Global offshore oil production is increasingly concentrated in deepwater and ultra-deepwater fields — Brazil's pre-salt, Gulf of Mexico, East Africa, and Southeast Asia. These environments impose extreme corrosion, pressure, and temperature demands that carbon steel cannot meet economically. Industry analysts project the global titanium tube market for oil and gas to grow at a CAGR exceeding 6% through 2030, driven primarily by deepwater infrastructure investment exceeding $200 billion globally over the next decade.
Sophisticated operators increasingly evaluate material selection on a lifecycle TCO basis rather than initial purchase price alone. When factoring in replacement frequency, production deferral costs from maintenance shutdowns, and inhibitor chemical consumption, titanium tubing consistently demonstrates superior economics over 20+ year field lifespans. This shift in procurement philosophy is unlocking significant new demand for premium titanium tubular products across the industry.
The global push toward net-zero emissions is generating entirely new markets for titanium tubing within the traditional oil and gas sector: CCS injection wells, hydrogen production and transport infrastructure, geothermal energy systems, and offshore wind platform subsea connections. Titanium's versatility across these emerging applications positions it as a critical material for the energy transition, not just legacy fossil fuel production.
Post-pandemic supply chain disruptions have prompted major oil and gas operators and EPC contractors to diversify their titanium tube supply base beyond traditional Western suppliers. Chinese manufacturers — particularly those with ISO 9001 certification, ASTM-compliant production, and robust third-party inspection programs — have gained significant market share by offering competitive pricing, flexible MOQs, and shorter lead times for standard and custom dimensions including the widely-specified 1.75" OD profile.
Advanced manufacturing technologies — including computer-controlled cold pilger rolling, automated ultrasonic testing (AUT), eddy current inspection, and digital traceability systems — are enabling titanium tube producers to achieve tighter dimensional tolerances, superior surface finish, and more consistent mechanical properties than ever before. These quality improvements are critical for demanding oil and gas specifications such as ASTM B338, ASTM B861, and API-related requirements, reducing rejection rates and accelerating project qualification timelines.
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 oil and gas applications, we provide full material traceability, heat number certification, hydrostatic pressure testing, dimensional inspection reports, and mechanical property test certificates — all aligned with ASTM B338 (seamless titanium tubes for condensers and heat exchangers) and ASTM B861 (seamless titanium pipe) standards.
Where success is within reach! — Partner with us for your 1.75" titanium tube requirements in oil & gas extraction.
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