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6151 Aluminum vs. Grade 24 Titanium

6151 aluminum belongs to the aluminum alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 29 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 6151 aluminum and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 1.1 to 5.7
11
Fatigue Strength, MPa 80 to 100
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 190 to 200
610
Tensile Strength: Ultimate (UTS), MPa 330 to 340
1010
Tensile Strength: Yield (Proof), MPa 270 to 280
940

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 650
1610
Melting Onset (Solidus), °C 590
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 170
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 150
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.2
43
Embodied Energy, MJ/kg 150
710
Embodied Water, L/kg 1180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5 to 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 580
4160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 34
63
Strength to Weight: Bending, points 39
50
Thermal Diffusivity, mm2/s 70
2.9
Thermal Shock Resistance, points 15
72

Alloy Composition


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Aluminum (Al), % 95.6 to 98.8
5.5 to 6.8
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.15 to 0.35
0
Copper (Cu), % 0 to 0.35
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.4
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.2
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.6 to 1.2
0
Titanium (Ti), % 0 to 0.15
87.5 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0 to 0.4