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6182 Aluminum vs. Grade 6 Titanium

6182 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 6182 aluminum and the bottom bar is grade 6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
100
Elongation at Break, % 6.8 to 13
11
Fatigue Strength, MPa 63 to 99
290
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
39
Shear Strength, MPa 140 to 190
530
Tensile Strength: Ultimate (UTS), MPa 230 to 320
890
Tensile Strength: Yield (Proof), MPa 130 to 270
840

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 190
310
Melting Completion (Liquidus), °C 640
1580
Melting Onset (Solidus), °C 600
1530
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 160
7.8
Thermal Expansion, µm/m-K 23
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
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 8.4
30
Embodied Energy, MJ/kg 150
480
Embodied Water, L/kg 1170
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
92
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
3390
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 23 to 32
55
Strength to Weight: Bending, points 30 to 38
46
Thermal Diffusivity, mm2/s 65
3.2
Thermal Shock Resistance, points 10 to 14
65

Alloy Composition

Aluminum (Al), % 95 to 97.9
4.0 to 6.0
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 0.5
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 0.2
Silicon (Si), % 0.9 to 1.3
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0 to 0.1
89.8 to 94
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.4