CP Titanium Grade 1 / Ti 25

UNS R50250
W.Nr 3.7025


Explosive bonding, Honeycomb, and heat exchangers.


CP Titanium Grade 1 is α-phase titanium with the highest purity, lowest strength, and best room temperature ductility of the Commercially Pure grades. It has excellent corrosion resistance and good impact properties at low temperatures, and has good weldability. Grade 1 Titanium can be produced in a Deep Draw Quality, and can have a variety of surface conditions from Bright to Dull. This alloy is not age hardenable.

Industries Supplied

Power Generation, Chemical Processing, Aerospace, Automotive, Marine, and Medical

Nominal Composition

Fe: 0.20 max
O: 0.18 max
C: 0.08 max
N: 0.03 max
H: 0.0150 max
Ti: Balance

Physical Properties

Density: 0.163 lb/in3, (4.51 g/cm3)

Modulus of Elasticity (E): 
At 70°F (20°C): 16.3 x 103 ksi (112 GPa)

Modulus of Rigidity (G)
At 70°F (20°C):  5.9 x 103 ksi (41 GPa)

Coefficient of Expansion:
5.4 µin/in.-°F (70°F to 932°F)
9.7 µm/m-°C (20°C to 500°C)

Electrical Resistivity: 21 µΩ.in, (53.3 µΩ.cm)

Thermal Conductivity: 12.6 Btu-in/ft2hr-°F, (21.79 W/m-K)

Applicable Specifications

Strip and Foil: AMS 4940, ASTM B265, ASTM F67

Typical Mechanical Properties

  • Annealed
    • Heat Treatment: 1290°F
    • Tensile Strength: 40 - 56 ksi (276 - 387 MPa)
    • Suggested Operating Conditions: -300°F to 1000°F (-184°C to 540°C)

  • For further information Contact:

    Email: stripinfo@elgiloy.com
    Phone: 1 888 843 2350 
    Elgiloy Specialty Metals - Strip Products
    1565 Fleetwood Dr.
    Elgin, IL 60123 USA