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Grade 24 Titanium vs. EN 1.1244 Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.1244 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is EN 1.1244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
72
Tensile Strength: Ultimate (UTS), MPa 1010
730 to 770

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
Melting Completion (Liquidus), °C 1610
1450
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
51
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
1.4
Embodied Energy, MJ/kg 710
19
Embodied Water, L/kg 310
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
26 to 28
Strength to Weight: Bending, points 50
23 to 24
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 72
23 to 25

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0 to 0.050
Carbon (C), % 0 to 0.080
0.65 to 0.75
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
98.1 to 99.2
Manganese (Mn), % 0
0.8 to 1.1
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0 to 0.0020
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0