ASTM B861 Gr 2 Titanium Pipe (UNS R50400)
ASTM B861 Gr 2 Titanium Pipe (UNS R50400) is manufactured from commercially pure titanium, offering an optimal balance of strength, ductility, and corrosion resistance. Widely used across industrial sectors, Grade 2 titanium pipes provide excellent resistance to oxidizing and mildly reducing environments, making them suitable for chemical processing, marine, and heat exchanger applications.
Key Features
- Manufactured in accordance with ASTM B861
- UNS R50400 commercially pure titanium
- Excellent corrosion resistance in aggressive environments
- Good weldability and formability
- Moderate strength with high ductility
- Long service life with low maintenance
Equivalent Grade
| Standard | Equivalent Grade |
|---|---|
| ASTM | ASTM B861 Grade 2 |
| UNS | R50400 |
| ISO | Ti Grade 2 |
| AMS | AMS 4902 |
| DIN | 3.7035 |
| EN | EN 3.7035 |
Sizes
-
Outside Diameter: 6 mm to 914 mm (1/4” to 36”)
-
Wall Thickness: 0.5 mm to 25 mm
-
Length: Up to 6 meters or as required
ASTM B861 Gr 2 Chemical Composition
| Element | Percentage (%) |
|---|---|
| Titanium (Ti) | Balance |
| Iron (Fe) | ≤ 0.30 |
| Oxygen (O) | ≤ 0.25 |
| Carbon (C) | ≤ 0.08 |
| Nitrogen (N) | ≤ 0.03 |
| Hydrogen (H) | ≤ 0.015 |
Gr 2 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 345 MPa |
| Yield Strength | ≥ 275 MPa |
| Elongation | ≥ 20% |
| Hardness | ≤ 160 HB |
UNS R50400 Physical Properties
| Property | Value |
|---|---|
| Density | 4.51 g/cm³ |
| Melting Point | 1668°C |
| Thermal Conductivity | 21.9 W/m·K |
| Modulus of Elasticity | 105 GPa |
| Electrical Resistivity | 0.55 µΩ·m |
Type of ASTM B861 Gr 2 Pipes
- Seamless Titanium Grade 2 Pipes
- Welded Titanium Grade 2 Pipes
- ERW Pipes
- Large Diameter Pipes
- Custom Fabricated Pipes
Applications
- Chemical processing equipment
- Heat exchangers and condensers
- Marine and offshore piping systems
- Power generation plants
- Desalination plants
- Oil & gas and industrial piping
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