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6182 Aluminum vs. Grade 28 Titanium

6182 aluminum belongs to the aluminum alloys classification, while grade 28 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 6182 aluminum and the bottom bar is grade 28 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.8 to 13
11 to 17
Fatigue Strength, MPa 63 to 99
330 to 480
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 140 to 190
420 to 590
Tensile Strength: Ultimate (UTS), MPa 230 to 320
690 to 980
Tensile Strength: Yield (Proof), MPa 130 to 270
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 190
330
Melting Completion (Liquidus), °C 640
1640
Melting Onset (Solidus), °C 600
1590
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 160
8.3
Thermal Expansion, µm/m-K 23
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.4
37
Embodied Energy, MJ/kg 150
600
Embodied Water, L/kg 1170
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
1370 to 3100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 23 to 32
43 to 61
Strength to Weight: Bending, points 30 to 38
39 to 49
Thermal Diffusivity, mm2/s 65
3.4
Thermal Shock Resistance, points 10 to 14
47 to 66

Alloy Composition

Aluminum (Al), % 95 to 97.9
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.25
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0.9 to 1.3
0
Titanium (Ti), % 0 to 0.1
92.4 to 95.4
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.4