China Grade 12 Seamless Titanium Tube Suppliers - High-Performance Alloy from Trusted Factory
Specifications
| Product Name | Grade 12 Seamless Titanium Tube |
| Grades | Gr12 Grade 12 |
| 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 12 (Gr12) titanium, and how does it differ from other titanium grades?
Grade 12 titanium is a titanium-molybdenum-nickel alloy (Ti-0.3Mo-0.8Ni) that offers enhanced corrosion resistance compared to commercially pure grades such as Gr1 and Gr2, particularly in reducing acid environments and chloride-containing media. It combines high strength with excellent resistance to crevice corrosion, making it ideal for demanding industrial applications.
Q
What international standards does the Grade 12 Seamless Titanium Tube comply with?
The Grade 12 Seamless Titanium Tube complies with a wide range of international standards, including 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, and DIN17866-1990, ensuring global applicability and quality assurance.
Q
What size range is available for the Grade 12 Seamless Titanium Tube?
The standard size range covers an outer diameter (OD) from Φ6mm to Φ120mm, a wall thickness (WTH) from 0.1mm to 20mm, with customizable lengths. Custom dimensions beyond these ranges can also be arranged to meet specific project requirements.
Q
What industries and applications are Grade 12 Seamless Titanium Tubes best suited for?
Grade 12 Seamless Titanium Tubes are widely used in the chemical industry, marine engineering, heat exchangers, firewater systems, ballast water systems, the oil and gas industry, seawater desalination plants, and power stations — environments where high corrosion resistance and mechanical reliability are critical.
Q
Can Grade 12 Seamless Titanium Tubes be customized for special project requirements?
Yes. In addition to the standard dimensional range, custom sizes and specifications are available upon request. Customers are encouraged to provide detailed project requirements so that tailored solutions — including specific OD, wall thickness, length, and applicable standards — can be arranged.
Q
Why is Grade 12 titanium preferred for seawater and marine environments?
Grade 12 titanium's molybdenum and nickel alloying elements significantly improve its resistance to crevice corrosion and pitting in seawater and chloride-rich environments. This makes it a preferred material for marine engineering, desalination plants, and offshore oil and gas systems where long-term durability under harsh conditions is essential.

