MakeItFrom.com
Menu (ESC)

Grade 23 Titanium vs. Grade 38 Titanium

Both grade 23 titanium and grade 38 titanium are titanium alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 23 titanium and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.7 to 11
11
Fatigue Strength, MPa 470 to 500
530
Poisson's Ratio 0.32
0.32
Reduction in Area, % 30
29
Shear Modulus, GPa 40
40
Shear Strength, MPa 540 to 570
600
Tensile Strength: Ultimate (UTS), MPa 930 to 940
1000
Tensile Strength: Yield (Proof), MPa 850 to 870
910

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 340
330
Melting Completion (Liquidus), °C 1610
1620
Melting Onset (Solidus), °C 1560
1570
Specific Heat Capacity, J/kg-K 560
550
Thermal Conductivity, W/m-K 7.1
8.0
Thermal Expansion, µm/m-K 9.4
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
36
Density, g/cm3 4.4
4.5
Embodied Carbon, kg CO2/kg material 38
35
Embodied Energy, MJ/kg 610
560
Embodied Water, L/kg 200
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61 to 100
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3430 to 3560
3840
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
35
Strength to Weight: Axial, points 58 to 59
62
Strength to Weight: Bending, points 48
49
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 67 to 68
72

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
3.5 to 4.5
Carbon (C), % 0 to 0.080
0 to 0.080
Hydrogen (H), % 0 to 0.013
0 to 0.015
Iron (Fe), % 0 to 0.25
1.2 to 1.8
Nitrogen (N), % 0 to 0.030
0 to 0.030
Oxygen (O), % 0 to 0.13
0.2 to 0.3
Titanium (Ti), % 88.1 to 91
89.9 to 93.1
Vanadium (V), % 3.5 to 4.5
2.0 to 3.0
Residuals, % 0
0 to 0.4