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Grade 3 (3.7055, R50550) Titanium

Titanium Alloys

OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density4.5g/cm³
Elastic Modulus110GPa
Tensile Strength510MPa
Yield Strength440MPa
Brinell Hardness170HB
Maximum Service Temperature320°C
Weight Calculator

Chemical Composition

C
0 to 0.080%
N
0 to 0.050%
TI
98.8 to 100%
H
0 to 0.015%
O
0 to 0.35%
RES.
Residuals res. | | 0 to 0.4%
RESIDUALS RES.
0 to 0.4%
FE
0 to 0.3%

Mechanical

Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
21 %
Fatigue Strength
300 MPa
Impact Strength: V-Notched Charpy
62 J
Poisson's Ratio
0.32
Reduction in Area
34 %
Shear Modulus
39 GPa
Shear Strength
320 MPa
Tensile Strength: Ultimate (UTS)
510 MPa
Tensile Strength: Yield (Proof)
440 MPa

Hardness

Brinell Hardness
170

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
21 W/m-K
Thermal Diffusivity
8.6 mm 2 /s
Thermal Expansion
9.2 µm/m-K
Thermal Shock Resistance
37 points

Electrical

Electrical Conductivity: Equal Volume
3.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
6.6 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
910 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
35 points
Strength to Weight: Axial
32 points
Strength to Weight: Bending
32 points

Environmental

Base Metal Price
37 % relative
Embodied Carbon
31 kg CO 2 /kg material
Embodied Energy
510 MJ/kg
Embodied Energy
510 MJ/kg 220 x 10 3 BTU/lb
Embodied Water
110 L/kg
Embodied Water
110 L/kg 13 gal/lb
Registered Designations & Aliases
3.7055Grade 3 (3.7055, R50550) TitaniumR50550
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 F67 ASTM F67: Standard Specification for Unalloyed Titanium, for Surgical Implant Applications (UNS R50250, UNS R50400, UNS R50550, UNS R50700)

ASTM F67 ASTM F67: Standard Specification for Unalloyed Titanium, for Surgical Implant Applications (UNS R50250, UNS R50400, UNS R50550, UNS R50700) ISO 5832-2: Implants for surgery - Metallic materials - Part 2: Unalloyed titanium 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 Sintering of Advanced Materials: Fundamentals and Processes, Zhigang Zak Fang (editor), 2010 Environmental Degradation of Advanced and Traditional Engineering Materials, Lloyd H. Hihara et al., 2014.

ISO 5832-2 ISO 5832-2: Implants for surgery - Metallic materials - Part 2: Unalloyed titanium