China Grade 12 Seamless Titanium Tube Suppliers - High-Quality Factory Products for Corrosion Resistance
Specifications
| Product Name | Grade 12 Seamless Titanium Tube |
| Grades | Gr12 |
| 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
Q1
What is Grade 12 (Gr12) titanium, and how does it differ from other titanium grades?
Grade 12 titanium is a commercially pure titanium alloy containing small amounts of nickel (0.6–0.9%) and molybdenum (0.2–0.4%). These additions give Gr12 superior corrosion resistance — particularly in reducing acid environments and high-temperature saline solutions — compared to unalloyed grades such as Gr1 or Gr2. It also offers higher strength than standard commercially pure grades while retaining excellent weldability.
Q2
What size range is available for Grade 12 seamless titanium tubes?
Standard dimensions cover an outer diameter (OD) from Φ6 mm to Φ120 mm, wall thickness (WTH) from 0.1 mm to 20 mm, and custom lengths (L). Custom sizes beyond these ranges can also be manufactured upon request to meet specific project requirements.
Q3
Which international standards do your Grade 12 seamless titanium tubes comply with?
The tubes are produced in accordance with a wide range of international standards, including ASTM B338, ASTM B861, ASTM B862 (American), GB/T3624 and GB/T3625 (Chinese), ΓOCT21945, ΓOCT22897, and ΓOCT24890 (Russian), JIS H4631 (Japanese), and DIN17861 and DIN17866 (German). This multi-standard compliance ensures suitability for global procurement and engineering projects.
Q4
What industries and applications are Grade 12 seamless titanium tubes best suited for?
Gr12 seamless titanium tubes are widely used in demanding environments where corrosion resistance is critical. Key applications include chemical processing plants, marine engineering structures, heat exchangers, firewater and ballast water systems on ships, oil and gas pipelines and equipment, seawater desalination plants, and power generation stations.
Q5
Why choose seamless titanium tubes over welded titanium tubes for critical applications?
Seamless titanium tubes are manufactured without a weld seam, resulting in a uniform grain structure, higher pressure tolerance, and improved mechanical integrity throughout the tube. This makes them the preferred choice for high-pressure, high-temperature, and corrosive service environments — such as heat exchangers and offshore systems — where weld-zone vulnerabilities could pose safety or performance risks.
Q6
Can Grade 12 seamless titanium tubes be customized for specific project requirements?
Yes. In addition to the standard dimension range, custom OD, wall thickness, and length specifications are available to accommodate unique engineering designs. Surface finishes, end treatments, and compliance with specific project or client standards can also be arranged. Please contact us with your technical drawings or requirements for a tailored quotation.