ASTM B861
ASTM B861 Titanium Seamless Pipe
ASTM B861 is the Standard Specification for Seamless Titanium and Titanium Alloy Pipe.
It covers seamless pipes intended for high-corrosion, high-temperature, and high-performance applications across chemical processing, petrochemical plants, power generation, marine systems, and aerospace.
Key Features
Superior corrosion resistance
High strength-to-weight ratio
Excellent performance in elevated temperatures
Seamless structure ensures high integrity and reliability
Suitable for critical fluid-handling systems
Covers commercially pure & alloyed titanium grades
Technical Specification
| Property | Description |
|---|---|
| Standard | ASTM B861 |
| Product Form | Seamless Titanium & Titanium Alloy Pipe |
| Available Grades | Grades 1, 2, 3, 4, 5, 7, 9, 11, 12, 16, 17 |
| Manufacturing Process | Hot Worked / Extruded / Cold Worked |
| Heat Treatment | Annealed / Stress Relieved |
| Condition | Annealed (most common) |
| Testing Requirements | Hydrostatic, Eddy Current, Ultrasonic, Visual & Dimensional Inspection |
| Surface Finish | Mill Finish / Pickled Finish |
| End Finish | Plain End / Bevel End |
| Dimensional Range | Custom OD, WT & Length as per client requirement |
| Corrosion Resistance | Excellent in chemical, seawater, and process environments |
| Key Features | High strength-to-weight ratio, seamless reliability, superior corrosion behavior |
ASTM B861 Common Grades
Unalloyed (commercially pure) grades
- Grade 1
- Grade 2
- Grade 3
- Grade 4
Alloy grades
- Grade 5 (Ti-6Al-4V)
- Grade 7
- Grade 9 (Ti-3Al-2.5V)
- Grade 23 (Ti-6Al-4V ELI)
Other grades
- H Grades
- Grade 19
- Grade 21
- Grade 25
Product Form
Seamless Titanium Pipe
Seamless Titanium Alloy Pipe
Manufacturing Process
Hot worked / Extruded / Cold worked
Annealed or Stress Relieved
NDT Testing: Hydrostatic, Eddy Current, Ultrasonic
Application
Chemical Processing
Petrochemical Plants
Power Generation
Heat Exchangers
Desalination Plants
Marine Systems
Oil & Gas
Aerospace
Pharmaceutical Equipment
High-Temperature Piping