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Grade 24 Titanium vs. SAE-AISI 1046 Steel

Grade 24 titanium belongs to the titanium alloys classification, while SAE-AISI 1046 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
14 to 17
Fatigue Strength, MPa 550
240 to 390
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
39 to 50
Shear Modulus, GPa 40
72
Shear Strength, MPa 610
410 to 450
Tensile Strength: Ultimate (UTS), MPa 1010
660 to 740
Tensile Strength: Yield (Proof), MPa 940
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
51
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
1.4
Embodied Energy, MJ/kg 710
18
Embodied Water, L/kg 310
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
360 to 990
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
23 to 26
Strength to Weight: Bending, points 50
22 to 23
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 72
23 to 25

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.43 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
98.4 to 98.9
Manganese (Mn), % 0
0.7 to 1.0
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
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0