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Utilizing 26 high-precision cold rolling mills and 6 cold drawing machines, we ensure dimensional accuracy and superior mechanical properties.
TP316Ti Corrosion Resistant Tubing
ASTM A213 / A312 | UNS S31635 | Titanium Stabilized Anti-Pitting Alloy
Titanium Stabilized | DIN 1.4571 | High-Temp Acid ResistantRelated Products
Introduction
TP316Ti Seamless Stainless Steel Tubing represents an evolutionary peak in the development of molybdenum-bearing austenitic alloys. While standard TP316L relies on a low-carbon profile to mitigate corrosion risks, TP316Ti (UNS S31635) utilizes a different metallurgical strategy: Titanium Stabilization. By incorporating a precise ratio of Titanium—typically five times the sum of the carbon and nitrogen content—this alloy effectively "locks up" carbon atoms by forming stable Titanium Carbides. In the aggressive thermal environments of chemical processing and exhaust systems, this stabilization prevents the precipitation of chromium carbides at the grain boundaries, a phenomenon known as sensitization. Consequently, TP316Ti remains immune to intergranular corrosion even after prolonged exposure to the critical temperature range of 427°C to 816°C, making it a superior choice for components that must undergo welding or operate in fluctuating thermal zones.
The strategic advantage of TP316Ti is its dual-threat performance: it combines the exceptional pitting resistance of Molybdenum (2.0-3.0%) with the enhanced mechanical stability of Titanium. In chloride-rich environments, such as marine cooling systems or coastal industrial sites, the molybdenum content provides an essential defense against localized pitting and crevice corrosion. Meanwhile, the Titanium stabilization offers better high-temperature strength and creep resistance compared to the low-carbon "L" grades. This makes TP316Ti the preferred tubing material for heat exchangers in refineries, pharmaceutical reactors, and textile processing equipment where acids and halides are processed at elevated pressures and temperatures. The seamless manufacturing process further enhances this reliability; by eliminating the longitudinal weld seam, we provide a tube with absolute structural homogeneity and a 20% higher allowable working pressure, ensuring zero leak paths even under extreme fatigue loads.
Our production cycle for TP316Ti seamless tubing emphasizes precise metallurgical control and surface integrity. After the cold-drawing or cold-rolling stages, every tube undergoes a full solution annealing treatment followed by rapid quenching to optimize the dispersion of the titanium carbides. This results in a material that is not only highly corrosion-resistant but also possesses excellent formability and ductility for complex coiling and bending operations. The internal surface of our tubing is meticulously treated through acid pickling and passivation or bright annealing to achieve a surface roughness (Ra) that meets the most demanding industrial cleanliness standards. A smoother ID minimizes the risk of deposit-induced corrosion and enhances the efficiency of high-purity fluid transport in the food and chemical sectors.
Furthermore, TP316Ti is recognized for its longevity and low maintenance requirements in "sour service" and aggressive acidic environments. Compliance with international standards such as ASTM A213, A312, and DIN 1.4571 ensures that our products meet the rigorous safety codes of global engineering firms. For engineers and procurement specialists, selecting TP316Ti is a proactive decision to extend the lifecycle of critical infrastructure. It offers a unique balance of high mechanical strength, thermal stability, and exceptional resistance to both general and localized corrosion, effectively reducing the Total Cost of Ownership (TCO) in industries ranging from aerospace and naval engineering to advanced petrochemical refining. By investing in this stabilized alloy, you are choosing a material proven to endure the world's most unforgiving chemical and thermal stresses.
Specifications
| Material | TP316Ti (UNS S31635) |
| Standards | ASTM A213, A312, DIN 17458 |
| OD Range | 3.18mm - 406.4mm |
| WT Range | 0.5mm - 30.0mm |
| Surface | Pickled / Bright Annealed |
Chemical Composition
| C | Mo | Cr | Ni | Ti |
| ≤.08 | 2-3 | 16-18 | 10-14 | 5x(C+N) min |
Ti-Stabilized Mo-Enhanced
Mechanical Strength
Comprehensive Info
| MOQ | 500kg |
| Test | IGC (Strauss), Eddy, Hydro |
| Traceability | 100% Heat Number Tracking |
| Packing | Reinforced Seaworthy Cases |
Industrial Applications
Chemical Processing Reactors and heat exchangers for organic acids
Pharmaceutical High-temperature sterile fluid transport
Automotive/Marine High-performance exhaust manifolds and bellows
Strategic Advantages
Ti-Stabilization
Prevents intergranular corrosion in weld zones and high-heat service.
Moly-Grade Pitting
Superior resistance to chloride-induced pitting in marine air.
High-Temp Strength
Maintains better mechanical properties than 316L at 500°C+.
Seamless Safety
Uniform wall integrity for high-pressure chemical transport.
About Jiangsu Jend Tube Co.,Ltd.
As China TP316Ti Corrosion Resistant Stainless Tubing Manufacturers and Wholesale TP316Ti Corrosion Resistant Stainless Tubing Factory, Established in 2011 and is a manufacturing enterprise with a complete manufacturing cycle from raw material selection to finished product delivery. The company currently has more than 100 employees, covers an area of 30015 square meters, and has a registered capital of 48 million yuan, annual production capacity of 3800 tons.
The company has passed ISO9001:2015 quality certification, domestic pressure vessel TS certification, and foreign pressure vessel PED certification. With rich experience and mature technology, we have been expanding our market internationally. At present, our products are exported to more than 50 countries and regions including Europe, America, Southeast Asia, and the Middle East.
The company adheres to different production norms and standards such as the American standard (ASTM), the European standard (EN), the German standard (DIN), the Japanese standard (JIS), the Russian standard (GOST), and the Chinese standard (GB).
Our company specializes in and customizes various specifications of Martensite TP410 (0Cr13, 1Cr13), Ferrite TP405 (1Cr13Al), TP430 (1Cr17), TP444 (0Cr18Mo2), TP439, TP409 (0Cr11Ti), It is also proficient in manufacturing Austenitic seamless stainless steel pipes of series such as TP304(L/H), TP316(L/H/Ti), TP310S, TP317, TP321(H) and TP347(H). Duplex such as S31803, S2205, S32750, S32304, and Nickel-based alloys Monel400, Monel600, Monel800, GH3030, 904L, Inconel 625, etc.
The company mainly produces seamless steel pipes with the following specifications: outer diameter: 3.18mm to 406.4mm, wall thickness: 0.3mm to 20mm, and the longest length is 25000mm. Additionally, it can customize seamless steel pipes with special materials and specifications according to customer requirements. The company attaches great importance to scientific innovation. The staff of the company vigorously develop technological research and development.
Jiangsu Jend Tube Co.,Ltd. will continuously accumulate professional knowledge and capabilities, striving to become a leader in the domestic market and even the world market. Strive to be the most reassuring pipe manufacturing enterprise for customers.
Precision Manufacturing and Process Optimization
We rely on precision equipment and optimized production technologies to achieve outstanding mechanical performance and consistent product quality.
Cold Rolling and Cold Drawing
Solution Heat Treatment
Natural gas solution treatment furnaces and BA solution treatment furnaces optimize the material's grain structure, enhancing corrosion resistance.
Precision Straightening and Polishing
10 straightening machines and 8 finishing polishing machines guarantee product surface smoothness and dimensional accuracy.
Automated Inspection and Quality Assurance
Real-time monitoring systems ensure the stable quality of every batch of products.
Usage & Maintenance Tips
Welding Filler
Always use stabilized fillers like ER318 (316Ti) to maintain corrosion resistance in the joint.
IGC Testing
For critical service, request ASTM A262 Practice E testing to verify Ti-stabilization effectiveness.
Value-Added Services
Fixed Length
CNC cutting to ±0.5mm for exact project integration.
Mirror Polishing
Internal and external surface polishing for sanitary use.
Bending
Precision U-bending and serpentine coiling for exchangers.
Logistics & Terms
30% T/T / L/C. Anti-humidity export packaging with VCI wrapping and IPPC wooden crates.
Standards
ASTM A213
DIN 1.4571
TUV/PED
ISO 9001
Frequently Asked Questions
What is the function of Titanium in TP316Ti?
Titanium acts as a stabilizer, forming titanium carbides to prevent chromium carbide precipitation and intergranular corrosion during welding and high-temp service.
How does TP316Ti compare to TP316L?
TP316Ti offers better high-temperature mechanical strength and creep resistance, making it superior for service above 450°C.
Is it resistant to chloride pitting?
Yes, the 2.0-3.0% Molybdenum content provides excellent resistance to localized pitting and crevice corrosion in marine and acidic environments.
What is the maximum service temperature for corrosion resistance?
It is effectively resistant to sensitization at temperatures up to 815°C, though general oxidation resistance is best maintained below this limit.
Is TP316Ti suitable for pharmaceutical use?
Yes, especially where high-temperature sterilization or aggressive chemical cleaning is required, due to its excellent surface stability.
What filler metal should be used for welding?
We recommend using stabilized filler metals like ER318 to maintain the titanium-stabilized properties across the weld joint.
What is the DIN equivalent of TP316Ti?
The European equivalent is 1.4571, a grade widely used in German and EU engineering specifications.
Can it be used in naval exhaust systems?
Yes, it is a preferred grade for marine bellows and exhaust manifolds due to its combination of chloride resistance and thermal stability.
How do you ensure the Titanium stabilization ratio?
We perform chemical analysis to ensure the Ti content is at least 5 times the (C+N) content, as per ASTM requirements.
Do you perform IGC testing?
Yes, we can conduct ASTM A262 Practice E (Strauss Test) to verify the immunity of the batch to intergranular corrosion.
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