China Grade 7 Seamless Titanium Tube Suppliers - Factory Direct for Superior Corrosion Resistance and Weldability
Specifications
| Product Name | Grade 7 Seamless Titanium Tube |
| Grades | Gr7 |
| 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
❓ What is Grade 7 Titanium (Gr7) and what makes it special?
Grade 7 Titanium (Gr7) is a commercially pure titanium alloyed with a small amount of palladium (0.12–0.25%). This addition significantly enhances its corrosion resistance, particularly in reducing acid environments, making it one of the most corrosion-resistant titanium grades available.
❓ What size range is available for Grade 7 Seamless Titanium Tubes?
The standard size range covers an outer diameter (OD) from Φ6mm to Φ120mm, wall thickness (WTH) from 0.1mm to 20mm, with custom lengths available. Custom dimensions beyond these ranges can also be accommodated upon request.
❓ Which international standards does the Grade 7 Seamless Titanium Tube comply with?
These tubes comply with a wide range of international standards including ASTM B338, ASTM B861, ASTM B862 (USA), GB/T3624, GB/T3625 (China), ΓOCT standards (Russia), JIS H4631 (Japan), and DIN17861, DIN17866 (Germany), ensuring global applicability.
❓ What are the primary applications of Grade 7 Seamless Titanium Tubes?
Grade 7 Seamless Titanium Tubes are widely used in demanding environments including chemical processing, marine engineering, heat exchangers, firewater and ballast water systems, oil and gas pipelines, seawater desalination plants, and power generation stations.
❓ Why choose seamless over welded titanium tubes for industrial use?
Seamless titanium tubes offer superior structural integrity with no weld seams, resulting in higher pressure resistance, better uniformity, and improved reliability in high-stress or corrosive environments — making them the preferred choice for critical industrial applications.
❓ Can Grade 7 Seamless Titanium Tubes be customized for specific project requirements?
Yes, custom sizes and specifications are available. Whether you need non-standard outer diameters, specific wall thicknesses, or particular lengths tailored to your project, customization options are supported to meet unique engineering and industrial demands.