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Grade 24 Titanium vs. SAE-AISI 1026 Steel

Grade 24 titanium belongs to the titanium alloys classification, while SAE-AISI 1026 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 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
17 to 27
Fatigue Strength, MPa 550
200 to 310
Poisson's Ratio 0.32
0.29
Reduction in Area, % 28
45 to 55
Shear Modulus, GPa 40
73
Shear Strength, MPa 610
320 to 340
Tensile Strength: Ultimate (UTS), MPa 1010
500 to 550
Tensile Strength: Yield (Proof), MPa 940
270 to 470

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
52
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
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
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
200 to 580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
18 to 20
Strength to Weight: Bending, points 50
18 to 19
Thermal Diffusivity, mm2/s 2.9
14
Thermal Shock Resistance, points 72
16 to 18

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.22 to 0.28
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
98.7 to 99.18
Manganese (Mn), % 0
0.6 to 0.9
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