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8176 Aluminum vs. Grade 6 Titanium

8176 aluminum belongs to the aluminum alloys classification, while grade 6 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 8176 aluminum and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
100
Elongation at Break, % 15
11
Fatigue Strength, MPa 59
290
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 70
530
Tensile Strength: Ultimate (UTS), MPa 160
890
Tensile Strength: Yield (Proof), MPa 95
840

Thermal Properties

Latent Heat of Fusion, J/g 400
410
Maximum Temperature: Mechanical, °C 170
310
Melting Completion (Liquidus), °C 660
1580
Melting Onset (Solidus), °C 650
1530
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 230
7.8
Thermal Expansion, µm/m-K 24
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 61
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.2
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1190
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
92
Resilience: Unit (Modulus of Resilience), kJ/m3 66
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 16
55
Strength to Weight: Bending, points 24
46
Thermal Diffusivity, mm2/s 93
3.2
Thermal Shock Resistance, points 7.0
65

Alloy Composition


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Aluminum (Al), % 98.6 to 99.6
4.0 to 6.0
Carbon (C), % 0
0 to 0.080
Gallium (Ga), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0.4 to 1.0
0 to 0.5
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0.030 to 0.15
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.8 to 94
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0 to 0.4