Titanium Pipes
Titanium Pipes
Engineering Product Reference for Corrosion-Resistant Piping Systems
Titanium pipes are used in pressure-containing and fluid transport systems where corrosion resistance, structural integrity, and long-term reliability are critical.
Unlike heat exchanger tubes, titanium pipes are selected based on pressure rating, system design, and code compliance, rather than heat transfer efficiency.
This page explains the engineering role, selection logic, and application scope of titanium pipes.
1. Role of Titanium Pipes in Engineering Systems
Titanium pipes are typically used where:
Fluids must be transported under pressure
Corrosive media are present (seawater, brine, chemicals)
Long service life and low maintenance are required
System integrity is more critical than compactness
Typical systems include process piping, cooling water lines, chemical transfer lines, and offshore piping systems.
2. Titanium Pipes vs Titanium Tubes – Engineering Difference
From an engineering standpoint, pipes and tubes serve different functions.
| Aspect | Titanium Tubes | Titanium Pipes |
|---|---|---|
| Primary function | Heat transfer | Fluid transport |
| Design basis | OD / wall for heat exchange | Nominal Pipe Size & Schedule |
| Pressure role | Secondary | Primary |
| Standards | ASTM B338 | ASTM B861 / B862 |
| Typical systems | Heat exchangers | Piping networks |
Engineering rule
If pressure containment governs design, pipes—not tubes—should be specified.
3. Seamless vs Welded Titanium Pipes
Seamless Titanium Pipes
Uniform structure without weld seam
Preferred for high-pressure or critical service
Excellent reliability in corrosive environments
Welded Titanium Pipes
Manufactured from plate or strip
Suitable for larger diameters and lower pressure
Requires strict weld quality and inspection
Selection depends on pressure class, diameter, and system criticality.
4. Titanium Grade Selection for Pipes
Grade selection must reflect corrosion severity and operating conditions.
Commonly Used Grades
Grade 2 – Baseline choice for most piping systems
Grade 16 – Used where moderate corrosion uncertainty exists
Grade 7 – Selected for severe corrosion, low-flow, or crevice-prone systems
Grade 5 – Used only when mechanical strength dominates and corrosion is controlled
Engineering rule
Do not select Grade 5 for piping solely based on strength without corrosion evaluation.
5. Typical Applications of Titanium Pipes
Titanium pipes are widely used in:
Marine & Offshore – seawater intake and discharge lines
Petrochemical – corrosive process piping
Industrial Plants – cooling and utility piping
Power Generation – cooling water distribution
Desalination – seawater and brine piping
These applications emphasize system reliability over initial cost.
6. Design and Installation Considerations
When designing titanium piping systems, engineers should consider:
Pressure rating and wall thickness selection
Thermal expansion and support design
Galvanic isolation from dissimilar metals
Proper gasket and flange compatibility
Avoidance of stagnant zones
Proper piping design is essential to fully realize titanium’s corrosion resistance.
7. Fabrication and Welding Notes
Titanium piping fabrication requires:
Clean working environment
Inert gas shielding during welding and cooling
Qualified welding procedures
Controlled heat input
Improper fabrication can compromise corrosion resistance, even with the correct grade.
8. Inspection, Testing, and Certification
Titanium pipes are commonly supplied with:
Chemical composition verification
Mechanical testing
Non-destructive testing (UT / RT / PT as specified)
Dimensional inspection
Typical standards include:
ASTM B861 – Seamless titanium pipe
ASTM B862 – Welded titanium pipe
ASME SB equivalents for code piping
Certification is usually provided per EN 10204 3.1 or 3.2.
9. Lifecycle Value of Titanium Pipes
In corrosive piping systems, titanium pipes offer:
Long-term resistance to corrosion-related failure
Reduced maintenance and replacement
Improved system availability
Lower total cost of ownership
Titanium pipes are often selected to eliminate corrosion as a system design variable.
10. How This Page Connects to the Titanium System
This product page integrates with:
Grades & Materials – grade behavior and comparison
Applications – environment-driven requirements
Titanium Tubes – heat transfer vs piping distinction
Standards & Quality – compliance and inspection
Titanium pipes represent the structural backbone of corrosion-resistant piping systems.