China Suppliers Factory Grade 9 Seamless Titanium Tube - Ti-3Al-2.5V Alloy for Aerospace & Sports Applications
Specifications
Product Name |
Grade 9 Seamless Titanium Tube |
Grades |
Gr9 |
Dimensions & Specifications |
OD (Φ6–Φ120mm) × WTH (0.1–20mm) × L (mm), and more sizes are allowed to be customized. |
Standards |
ASTM B338-2017(24)、ASTM B861-24、ASTM B862-23、GB/T3624-2023、GB/T3625-2007、ΓOCT21945-82、ΓOCT22897-86、ΓOCT24890-81、JIS H4631-2018、DIN17861-1990、DIN17866-1990 |
Example Applications |
Chemical industry, marine engineering, heat exchangers, firewater systems, ballast water systems, oil and gas industry, seawater desalination plants, and power stations. |
Frequently Asked Questions
Q
What is Grade 9 (Gr9) Titanium, and how does it differ from other titanium grades?
Grade 9 titanium (Ti-3Al-2.5V) is an alpha-beta alloy that offers a balance between the excellent corrosion resistance of commercially pure titanium and the higher strength of Grade 5 (Ti-6Al-4V). Compared to Gr1 and Gr2, Gr9 provides significantly improved tensile strength while maintaining good weldability and formability, making it ideal for demanding structural and industrial applications.
Q
What outer diameter (OD) and wall thickness (WTH) ranges are available for Grade 9 Seamless Titanium Tubes?
The standard size range covers an outer diameter from Φ6mm to Φ120mm and a wall thickness from 0.1mm to 20mm. Custom lengths and dimensions beyond these ranges can also be manufactured upon request to meet specific project requirements.
Q
Which international standards does the Grade 9 Seamless Titanium Tube comply with?
These tubes are manufactured in compliance with a wide range of international standards, including ASTM B338, ASTM B861, ASTM B862 (USA), GB/T3624 and GB/T3625 (China), ΓOCT21945, ΓOCT22897, ΓOCT24890 (Russia), JIS H4631 (Japan), and DIN17861 and DIN17866 (Germany), ensuring global applicability and quality assurance.
Q
What are the main application industries for Grade 9 Seamless Titanium Tubes?
Grade 9 seamless titanium tubes are widely used across multiple industries, including chemical processing, marine engineering, heat exchangers, firewater and ballast water systems, oil and gas pipelines, seawater desalination plants, and power generation stations — anywhere that demands high strength combined with outstanding corrosion resistance.
Q
Why are seamless titanium tubes preferred over welded tubes for critical applications?
Seamless titanium tubes are produced without any weld seam, resulting in a uniform grain structure and consistent mechanical properties throughout the entire tube. This makes them significantly more reliable under high-pressure, high-temperature, or corrosive environments, reducing the risk of failure at weld joints — which is critical in industries such as oil & gas, chemical processing, and marine engineering.
Q
Can Grade 9 Seamless Titanium Tubes be customized for special project requirements?
Yes. In addition to the standard size range, custom dimensions including specific outer diameters, wall thicknesses, and lengths can be produced to meet unique engineering specifications. Customers are encouraged to provide their technical drawings or project requirements for a tailored solution.

