Grade 9 Titanium Tube Suppliers in China - High Strength Ti-3Al-2.5V Factory Products for Aerospace and Sports Equipment
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 Titanium (Gr9), and how does it differ from other titanium grades?
Grade 9 Titanium (Ti-3Al-2.5V) is an alpha-beta alloy containing 3% aluminum and 2.5% vanadium. Compared to commercially pure grades (Gr1–Gr4), Gr9 offers significantly higher strength while retaining excellent corrosion resistance and good weldability, making it ideal for structural and high-pressure tubing applications.
Q
What size range is available for Grade 9 Seamless Titanium Tubes?
Standard dimensions cover an outer diameter (OD) from Φ6mm to Φ120mm, a wall thickness (WTH) from 0.1mm to 20mm, with customizable lengths. Custom sizes beyond these ranges can also be produced upon request to meet specific project requirements.
Q
Which international standards do your Grade 9 Seamless Titanium Tubes comply with?
Our Grade 9 Seamless Titanium Tubes comply with a wide range of international standards, including ASTM B338, ASTM B861, ASTM B862 (USA), GB/T3624, GB/T3625 (China), ΓOCT series (Russia), JIS H4631 (Japan), and DIN17861, DIN17866 (Germany), ensuring suitability for global projects and procurement requirements.
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 superior corrosion resistance.
Q
Why choose seamless titanium tubes over welded titanium tubes for demanding environments?
Seamless titanium tubes are manufactured without any weld seam, resulting in a more uniform grain structure, higher pressure resistance, and greater reliability under cyclic stress or high-temperature conditions. This makes them the preferred choice for critical applications such as heat exchangers, offshore equipment, and high-pressure fluid systems.
Q
Can Grade 9 Seamless Titanium Tubes be customized for special project requirements?
Yes. Beyond the standard size range, custom outer diameters, wall thicknesses, and lengths can be produced to meet specific engineering or project needs. Surface treatments, special end finishes, and compliance with additional standards or third-party inspection requirements can also be accommodated upon request.

