Grade 9 Titanium (Ti 3-2.5) UNS R56320

Grade 9 Titanium (Ti 3Al - 2.5V) is an Alpha-Beta Alloy that has great corrosion resistance and is used widely within the aerospace, chemical processing, medical, marine, and automotive markets.

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Grade 9 Titanium (Ti 3-2.5) Strip, Foil, Coil, Wire, ASTM B265 GR9, MIL-T-9046 AB-5

Applications of Grade 9 Titanium

Description of Grade 9 Titanium

Titanium Alloy 3-2.5 (Grade 9 or Half 6-4) is a medium strength alloy with good weldability and fabricability for mildly reducing to mildly oxidizing media. It is a compromise between the facility of welding and manufacturing of the pure grades and the high strength of Grade 5. Containing 3% Aluminum and 2.5% Vanadium, it has great corrosion resistance and can be used extensively in aerospace, chemical processing, medical, marine, automotive.

Chemistry Typical

Titanium: Balance
Vanadium: 2.0-3.0
Aluminum: 2.5-3.5
Hydrogen: .015 max
Nitrogen: 0.03 max
Carbon: 0.10 max
Iron: 0.25 max
Residuals each 0.10 max, total 0.40 max

Common Titanium Grade Names



Description 1Description 2ASTMAMSUNS
Grade 9 TitaniumTI325Alpha Beta Alloy, 3-2.5, Half 6-4Titanium Alloy 3% Aluminum, 2.5% VanadiumR56320

Physical Properties of Ti 3-2.5

Density: 0.162 lbs/in3, 4.51 g/cm3

Thermal Conductivity: Btu/ft-h-° F (W/m-K): At 68 ° F (20 °C) 4.8 (8.3)

Mean Coefficient of Thermal Expansion: in/in° F (m/m° C)
10 - 95 ° F (21 - 200° c) 3 4 x 10-5 (9.61 x 106)

Modulus of Elasticity: KSI (MPa)
14.0 - 15.0 x 103 (95 - 105 x 103) in tension

Magnetic Permeability: Nonmagnetic

Melting Point: 3100 ° F (1704 ° C)


  • Strip
  • Foil
  • Ribbon
  • Shaped Wire

Mechanical Properties of Grade 9 Titanium at Room Temperature

Properties: Annealed

Ultimate Tensile Strength: 90 KSI min (620 MPa min)
Yield Strength (0.2% offset): 70 KSI min (483 MPa min)
12% min (longitudinal)
8% min (transverse)

Properties: Tempered

Titanium Alloy 3-2.5 (Grade 9) can be cold rolled to various tempers. Contact Ulbrich Technical Service for additional information.

Additional Properties

Corrosion Resistance

Refer to NACE (National Associate of Corrosion Engineers) for recommendations.


#1 - Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.
#2D - Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process.
#2B - Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.
#BA- Bright annealed cold rolled and bright annealed
#CBA- Course bright annealed cold rolled matte finish and bright anneal
#2 - Cold Rolled
#2BA- Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for lightly formed applications where a glossy finish is desired in the formed part.
Polished - Various grit finish for specific polish finished requirements.
* Not all finishes are available in all alloys - Contact Ulbrich Sales for more information.

Wire Finishes

Inquire with Ulbrich Wire.

Heat Treatment

Titanium Alloy 3-2.5 (Grade 9) can be hardened by cold work and aging.


For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".

Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.

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