Ti 6 2 4 2 UNS R54620 UNS R54621 (TI624)

Ulbrich manufactures Titanium 6-2-4-2 in small to large production quantities for Aerospace applications.

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(Ti-6Al-2Sn-4Zr-2Mo) Strip*, Coil*, Foil* & Wire, AMS 4975


Titanium 6-2-4-2 is a near-alpha titanium alloy with a good combination of tensile strength, creep strength, and toughness. It is generally intended for high temperature use in environments up to 1000 °F (538 °C).


Engine applications, afterburner cans, hot airframe components

Chemistry Typical

Titanium: Balance
Aluminum: 5.50-6.50
Tin: 1.80-2.20
Zirconium: 3.60-4.40
Molybdenum: 1.80-2.20
Silicon: 0.06-0.13
Iron: 0.25 max
Oxygen: 0.15 max
Carbon: 0.08 max
Nitrogen: 0.010-0.0125
Residuals each 0.10 max, total 0.40 max

Common Titanium Grade Names



Description 1Description 2ASTMAMSUNS
Titanium 6-2-4-2TI624Composition similar to R56420Timetal 6-2-4-24919

Physical Properties

Density: 0.164 lbs/in3, 4.54 g/cm3

Electrical Resistivity: 72.8 - 74.8 µ½•in, 1.85 - 1.90 µ½•m

Specific Heat Capacity: 0.120 BTU/lb-°F, 0.502 J/g-°F

Thermal Conductivity: BTU-in/hr-ft2-°F (W/m-K):
48.0 (6.92)

Mean Coefficient of Thermal Expansion: µin/in-°F (µm/m-°C): 32.0 - 212 °F (0 - 100 °C): 4.28 (7.70)

Magnetic Permeability Nonmagnetic Non-magnetic

Modulus of Elasticity: ksi (MPa)
16.5 x 103 (11.4 x 103) in tension

Melting Point: 2890 - 3120 °F (1588 - 1716 °C)


Strip, Foil, Ribbon: Inquire with Ulbrich Stainless Steel
Wire: Inquire with Ulbrich Shaped Wire

Mechanical Properties at Room Temperature

Properties: Annealed (Typical)

Ultimate Tensile Strength: 135 KSI (930 MPa )
Yield Strength (0.2% offset): 125 KSI (862 MPa )
Elongation: 8% Min

Additional Properties

Corrosion Resistance

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


Strip, Foil, Ribbon: Inquire with Ulbrich Stainless Steel Wire: Inquire with Ulbrich Wire


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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