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Grade 24 Titanium vs. ACI-ASTM CC50 Steel

Grade 24 titanium belongs to the titanium alloys classification, while ACI-ASTM CC50 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 1010
430

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
490
Thermal Conductivity, W/m-K 7.1
17
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.7

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 43
2.7
Embodied Energy, MJ/kg 710
39
Embodied Water, L/kg 310
170

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 63
16
Strength to Weight: Bending, points 50
17
Thermal Diffusivity, mm2/s 2.9
4.5
Thermal Shock Resistance, points 72
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.5
Chromium (Cr), % 0
26 to 30
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
62.9 to 74
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 4.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0