Grade 38 (R54250) Titanium
Titanium Alloys
Property Overview
Density4.5g/cm³
Elastic Modulus110GPa
Tensile Strength1000MPa
Yield Strength910MPa
Brinell HardnessUnknown
Maximum Service Temperature330°C
Chemical Composition
C
0 to 0.080%
N
0 to 0.030%
TI
89.9 to 93.1%
V
2.0 to 3.0%
AL
3.5 to 4.5%
H
0 to 0.015%
O
0.2 to 0.3%
RES.
Residuals res. | | 0 to 0.4%
RESIDUALS RES.
0 to 0.4%
FE
1.2 to 1.8%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
11 %
Fatigue Strength
530 MPa
Poisson's Ratio
0.32
Reduction in Area
29 %
Shear Modulus
40 GPa
Shear Strength
600 MPa
Tensile Strength: Ultimate (UTS)
1000 MPa
Tensile Strength: Yield (Proof)
910 MPa
Physical
Density
4.5 g/cm 3
Thermal
Latent Heat of Fusion
410 J/g
Maximum Temperature: Mechanical
330 °C
Melting Completion (Liquidus)
1620 °C
Melting Onset (Solidus)
1570 °C
Specific Heat Capacity
550 J/kg-K
Thermal Conductivity
8.0 W/m-K
Thermal Diffusivity
3.2 mm 2 /s
Thermal Expansion
9.3 µm/m-K
Thermal Shock Resistance
72 points
Electrical
Electrical Conductivity: Equal Volume
1.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.4 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
3840 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
35 points
Strength to Weight: Axial
62 points
Strength to Weight: Bending
49 points
Environmental
Base Metal Price
36 % relative
Embodied Carbon
35 kg CO 2 /kg material
Embodied Energy
560 MJ/kg
Embodied Energy
560 MJ/kg 240 x 10 3 BTU/lb
Embodied Water
160 L/kg
Embodied Water
160 L/kg 20 gal/lb
Registered Designations & Aliases
Grade 38 (R54250) TitaniumR54250
Standards
ASTM B348 ASTM B348: Standard Specification for Titanium and Titanium Alloy Bars and Billets