Titanium Grade 2
UNS R50400
Description
Titanium Grade 2, a commercially pure titanium grade, has an alpha crystalline structure. It is the most frequently employed unalloyed titanium grade and slightly stronger than Titanium Grade 1. The material has a low weight ratio, moderate strength, good ductility and weldability, good toughness, excellent formability and outstanding corrosion resistance. Thereinto, good weldability and superior corrosion resistance are its distinguishing characteristics. Its excellent resistance can resist corrosion from mildly reducing to highly oxidizing media with or without chlorides, and when compared with Grade 1, it has equal corrosion resistant in most applications. The material can be used for the parts where requiring strength up to 400 °F and oxidation resistance to 600 °F and can also be used in oil & gas industry, chemical industry, marine industry, etc.
Chemical Component
| Ti | Fe | O | C | N | H | Others |
|---|---|---|---|---|---|---|
| Balance | 0.30% max | 0.25% max | 0.10% max | 0.03% max | 0.015% max | 0.10%max (each); 0.40% max (total) |
Basic Information
| Items | Titanium Grade 2 |
|---|---|
| Catalog | ACAM-Ti-P002 |
| Density | 0.163 lbs/in3 (4.51 g/cm3) |
| Mean Coefficient of Thermal Expansion | 70-212 °F (20-100 °C): 4.78 x 10-6 in/in/°F (8.6 mm/m/°C) |
| Thermal Conductivity | At 70 °F (21 °C): 114 BTU-in/h-ft-°F (16.4 W/m-°K) |
| Modulus of Elasticity | 15.2 x 103 ksi (105 x 103 MP) in tension |
| Melting Point | 3040 °F (1670 °C) |
Material Forms
Alfa Chemistry offers Titanium Grade 2 in a variety of forms, including Coil, Strip, Foil, Ribbon, Wire (Profile, Round, Flat, Square).
Mechanical Properties
| Conditions | Ultimate Tensile Strength | Yield Strength (0.2% offset) | Elongation |
|---|---|---|---|
| Annealed (At room temperature) | 50 ksi min (345 MPa min) | 40-65 ksi (276-448 MPa) | 20% min |
Additional Properties
Corrosion Resistance: This material has excellent corrosion resistance in oxidising media, alkali media, organic acids and compounds, aqueous salt solutions and hot gases. And it has useful corrosion resistance in nitric acids, mild reducing acids and wet chlorine or bromine gas. In addition, Titanium Grade 2 has outstanding resistance in seawater applications.
Heat Treatment: Titanium Grade 2 can only be hardened by cold work.
Welding: For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".
Specifications
Coil, Strip, Foil, Ribbon, Wire (Profile, Round, Flat, Square): ASTM B265 GR2, AMS 4902, ASTM F67, MIL-T-9046CP3
Applications
Titanium Grade 2 can be used in a variety of applications, including:
- Aircraft structural honeycomb
- Aircraft skin
- Heat exchanger parts
- Marine and chemical equipment
- Cryogenic vessels
- Medical equipment and structural engineering
- Bellows
- Gaskets
- Implantable battery cathodes/connectors
- Stamped or etched fabrications
- Implantable battery cases/shields for CRM and neurostimulation devices
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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