Grade 21 (R58210) Titanium

Titanium Alloys

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density5.4g/cm³

Elastic Modulus140GPa

Tensile Strength890 to 1340MPa

Yield Strength870 to 1170MPa

Brinell HardnessUnknown

Maximum Service Temperature310°C

Weight Calculator

Chemical Composition

0 to 0.050%

14 to 16%

0.15 to 0.25%

0 to 0.030%

2.2 to 3.2%

76 to 81.2%

2.5 to 3.5%

0 to 0.015%

0 to 0.17%

RES.

Residuals res. | | 0 to 0.4%

RESIDUALS RES.

0 to 0.4%

Mechanical

Elastic (Young's, Tensile) Modulus

140 GPa

Elongation at Break

9.0 to 17 %

Fatigue Strength

550 to 660 MPa

Poisson's Ratio

0.32

Reduction in Area

22 %

Shear Modulus

51 GPa

Shear Strength

550 to 790 MPa

Tensile Strength: Ultimate (UTS)

890 to 1340 MPa

Tensile Strength: Yield (Proof)

870 to 1170 MPa

Physical

Density

5.4 g/cm 3

Thermal

Latent Heat of Fusion

410 J/g

Maximum Temperature: Mechanical

310 °C

Melting Completion (Liquidus)

1740 °C

Melting Onset (Solidus)

1690 °C

Specific Heat Capacity

500 J/kg-K

Thermal Conductivity

7.5 W/m-K

Thermal Diffusivity

2.8 mm 2 /s

Thermal Expansion

7.1 µm/m-K

Thermal Shock Resistance

66 to 100 points

Calculated

Resilience: Ultimate (Unit Rupture Work)

110 to 180 MJ/m 3

Resilience: Unit (Modulus of Resilience)

2760 to 5010 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

32 points

Strength to Weight: Axial

46 to 69 points

Strength to Weight: Bending

38 to 50 points

Environmental

Base Metal Price

60 % relative

Embodied Carbon

32 kg CO 2 /kg material

Embodied Energy

490 MJ/kg

Embodied Energy

490 MJ/kg 210 x 10 3 BTU/lb

Embodied Water

180 L/kg

Embodied Water

180 L/kg 21 gal/lb

Registered Designations & Aliases

Grade 21 (R58210) TitaniumR58210

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