Grade 7 (3.7235, R52400) Titanium

Titanium Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density4.5g/cm³

Elastic Modulus110GPa

Tensile Strength420MPa

Yield Strength340MPa

Brinell Hardness150HB

Maximum Service Temperature320°C

Weight Calculator

Chemical Composition

0 to 0.080%

0 to 0.030%

98.7 to 99.88%

0 to 0.015%

0 to 0.25%

0.12 to 0.25%

RES.

Residuals res. | | 0 to 0.4%

RESIDUALS RES.

0 to 0.4%

0 to 0.3%

Mechanical

Elastic (Young's, Tensile) Modulus

110 GPa

Elongation at Break

24 %

Fatigue Strength

250 MPa

Poisson's Ratio

0.32

Reduction in Area

34 %

Shear Modulus

38 GPa

Shear Strength

270 MPa

Tensile Strength: Ultimate (UTS)

420 MPa

Tensile Strength: Yield (Proof)

340 MPa

Hardness

Brinell Hardness

150

Physical

Density

4.5 g/cm 3

Thermal

Latent Heat of Fusion

420 J/g

Maximum Temperature: Mechanical

320 °C

Melting Completion (Liquidus)

1660 °C

Melting Onset (Solidus)

1610 °C

Specific Heat Capacity

540 J/kg-K

Thermal Conductivity

22 W/m-K

Thermal Diffusivity

8.9 mm 2 /s

Thermal Expansion

9.2 µm/m-K

Thermal Shock Resistance

31 points

Electrical

Electrical Conductivity: Equal Volume

3.6 % IACS

Electrical Conductivity: Equal Weight (Specific)

7.2 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)

95 MJ/m 3

Resilience: Unit (Modulus of Resilience)

560 kJ/m 3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

35 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

28 points

Environmental

Embodied Carbon

47 kg CO 2 /kg material

Embodied Energy

800 MJ/kg

Embodied Energy

800 MJ/kg 340 x 10 3 BTU/lb

Embodied Water

470 L/kg

Embodied Water

470 L/kg 56 gal/lb

Registered Designations & Aliases

3.7235Grade 7 (3.7235, R52400) TitaniumR52400

Standards

ASTM B265 ASTM B265: Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate

ASTM B348 ASTM B348: Standard Specification for Titanium and Titanium Alloy Bars and Billets

ASTM B381 ASTM B381: Standard Specification for Titanium and Titanium Alloy Forgings

ASTM B861 ASTM B861: Standard Specification for Titanium and Titanium Alloy Seamless Pipe

ASTM B861 ASTM B861: Standard Specification for Titanium and Titanium Alloy Seamless Pipe ASTM B381: Standard Specification for Titanium and Titanium Alloy Forgings ASTM B265: Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate ASTM B348: Standard Specification for Titanium and Titanium Alloy Bars and Billets Titanium and Titanium Alloys: Fundamentals and Applications, Christoph Leyens and Manfred Peters (editors), 2003 Titanium, 2nd ed., G. Lutjering and J. C. Williams, 2007 Aerospace Materials, Brian Cantor et al. (editors), 2001 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.