Solution-Treated and Aged (Moderate Strength) Grade 20 Titanium

Titanium Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density5g/cm³

Elastic Modulus120GPa

Tensile Strength1040MPa

Yield Strength990MPa

Brinell HardnessUnknown

Maximum Service Temperature370°C

Weight Calculator

Chemical Composition

0 to 0.050%

5.5 to 6.5%

3.5 to 4.5%

0 to 0.030%

71 to 77%

7.5 to 8.5%

3.0 to 4.0%

0 to 0.020%

0 to 0.12%

0.040 to 0.080%

RES.

Residuals res. | | 0 to 0.4%

RESIDUALS RES.

0 to 0.4%

3.5 to 4.5%

0 to 0.3%

Mechanical

Elastic (Young's, Tensile) Modulus

120 GPa

Elongation at Break

11 %

Fatigue Strength

580 MPa

Poisson's Ratio

0.32

Reduction in Area

23 %

Shear Modulus

47 GPa

Shear Strength

620 MPa

Tensile Strength: Ultimate (UTS)

1040 MPa

Tensile Strength: Yield (Proof)

990 MPa

Physical

Density

5.0 g/cm 3

Thermal

Latent Heat of Fusion

400 J/g

Maximum Temperature: Mechanical

370 °C

Melting Completion (Liquidus)

1660 °C

Melting Onset (Solidus)

1600 °C

Specific Heat Capacity

520 J/kg-K

Thermal Expansion

9.6 µm/m-K

Thermal Shock Resistance

63 points

Calculated

Resilience: Ultimate (Unit Rupture Work)

120 MJ/m 3

Resilience: Unit (Modulus of Resilience)

4010 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

33 points

Strength to Weight: Axial

58 points

Strength to Weight: Bending

45 points

Environmental

Embodied Carbon

52 kg CO 2 /kg material

Embodied Energy

860 MJ/kg

Embodied Energy

860 MJ/kg 370 x 10 3 BTU/lb

Embodied Water

350 L/kg

Embodied Water

350 L/kg 41 gal/lb

Registered Designations & Aliases

Moderate StrengthSolution-Treated and Aged (Moderate Strength) Grade 20 Titanium

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