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Annealed Grade 18 Titanium

Titanium Alloys

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density4.5g/cm³
Elastic Modulus110GPa
Tensile Strength710MPa
Yield Strength540MPa
Brinell HardnessUnknown
Maximum Service Temperature330°C
Weight Calculator

Chemical Composition

C
0 to 0.080%
N
0 to 0.030%
TI
92.5 to 95.5%
V
2.0 to 3.0%
AL
2.5 to 3.5%
H
0 to 0.015%
O
0 to 0.15%
PD
0.040 to 0.080%
RES.
Residuals res. | | 0 to 0.4%
RESIDUALS RES.
0 to 0.4%
FE
0 to 0.25%

Mechanical

Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
17 %
Fatigue Strength
350 MPa
Poisson's Ratio
0.32
Reduction in Area
23 %
Shear Modulus
40 GPa
Shear Strength
440 MPa
Tensile Strength: Ultimate (UTS)
710 MPa
Tensile Strength: Yield (Proof)
540 MPa

Physical

Density
4.5 g/cm 3

Thermal

Latent Heat of Fusion
410 J/g
Maximum Temperature: Mechanical
330 °C
Melting Completion (Liquidus)
1640 °C
Melting Onset (Solidus)
1590 °C
Specific Heat Capacity
550 J/kg-K
Thermal Conductivity
8.3 W/m-K
Thermal Diffusivity
3.4 mm 2 /s
Thermal Expansion
9.9 µm/m-K
Thermal Shock Resistance
48 points

Electrical

Electrical Conductivity: Equal Volume
1.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.7 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1380 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
35 points
Strength to Weight: Axial
44 points
Strength to Weight: Bending
39 points

Environmental

Embodied Carbon
41 kg CO 2 /kg material
Embodied Energy
670 MJ/kg
Embodied Energy
670 MJ/kg 290 x 10 3 BTU/lb
Embodied Water
270 L/kg
Embodied Water
270 L/kg 33 gal/lb
Registered Designations & Aliases
Annealed Grade 18 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 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.