ASTM B861 Gr 1 Titanium Pipe (UNS R50250)
ASTM B861 Gr 1 Titanium Pipe (UNS R50250) is a commercially pure titanium seamless pipe known for its outstanding corrosion resistance, excellent ductility, and low density. It is widely used in chemical processing, marine, and heat exchanger applications where reliability and formability are critical.
Key Features
- Commercially Pure Titanium (Grade 1)
- Excellent corrosion resistance in oxidizing environments
- High ductility and formability
- Lightweight with good strength-to-weight ratio
- Excellent weldability and fabricability
Equivalent Grade
| Standard | Equivalent |
|---|---|
| UNS | R50250 |
| ISO | Ti-PD |
| DIN | 3.7025 |
Sizes
| Parameter | Range |
|---|---|
| Outside Diameter | 6 mm to 219 mm |
| Wall Thickness | 0.5 mm to 12 mm |
| Length | Random / Cut Length |
| Schedule | As per requirement |
ASTM B861 Gr 1 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Titanium (Ti) | Balance |
| Iron (Fe) | Max 0.20 |
| Oxygen (O) | Max 0.18 |
| Carbon (C) | Max 0.08 |
| Nitrogen (N) | Max 0.03 |
| Hydrogen (H) | Max 0.015 |
Gr 1 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | Min 240 MPa |
| Yield Strength | Min 170 MPa |
| Elongation | Min 24% |
UNS R50250 Physical Properties
| Property | Value |
|---|---|
| Density | 4.51 g/cm³ |
| Melting Point | 1668°C |
| Thermal Conductivity | 16.4 W/m·K |
| Modulus of Elasticity | 103 GPa |
Type of Grade 1 Pipes
- Seamless Gr 1 Titanium Pipe
- Annealed Titanium Pipe
- Precision Titanium Tubing
Application
- Chemical processing equipment
- Heat exchangers and condensers
- Marine and offshore systems
- Aerospace and industrial piping
- Desalination and seawater handling systems
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