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6182 Aluminum vs. Grade 25 Titanium

6182 aluminum belongs to the aluminum alloys classification, while grade 25 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 6182 aluminum and the bottom bar is grade 25 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 6.8 to 13
11
Fatigue Strength, MPa 63 to 99
550
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 140 to 190
600
Tensile Strength: Ultimate (UTS), MPa 230 to 320
1000
Tensile Strength: Yield (Proof), MPa 130 to 270
940

Thermal Properties

Latent Heat of Fusion, J/g 410
410
Maximum Temperature: Mechanical, °C 190
340
Melting Completion (Liquidus), °C 640
1610
Melting Onset (Solidus), °C 600
1560
Specific Heat Capacity, J/kg-K 900
560
Thermal Conductivity, W/m-K 160
7.1
Thermal Expansion, µm/m-K 23
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.0

Otherwise Unclassified Properties

Density, g/cm3 2.7
4.5
Embodied Carbon, kg CO2/kg material 8.4
43
Embodied Energy, MJ/kg 150
700
Embodied Water, L/kg 1170
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 520
4220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 23 to 32
62
Strength to Weight: Bending, points 30 to 38
50
Thermal Diffusivity, mm2/s 65
2.8
Thermal Shock Resistance, points 10 to 14
71

Alloy Composition

Aluminum (Al), % 95 to 97.9
5.5 to 6.8
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 0.013
Iron (Fe), % 0 to 0.5
0 to 0.4
Magnesium (Mg), % 0.7 to 1.2
0
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0
0.3 to 0.8
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0.9 to 1.3
0
Titanium (Ti), % 0 to 0.1
86.7 to 90.6
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 0 to 0.2
0
Zirconium (Zr), % 0.050 to 0.2
0
Residuals, % 0
0 to 0.4