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6105 Aluminum vs. Grade 36 Titanium

6105 aluminum belongs to the aluminum alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 6105 aluminum and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 9.0 to 16
11
Fatigue Strength, MPa 95 to 130
300
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
39
Shear Strength, MPa 120 to 170
320
Tensile Strength: Ultimate (UTS), MPa 190 to 280
530
Tensile Strength: Yield (Proof), MPa 120 to 270
520

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 650
2020
Melting Onset (Solidus), °C 600
1950
Specific Heat Capacity, J/kg-K 900
420
Thermal Expansion, µm/m-K 23
8.1

Otherwise Unclassified Properties

Density, g/cm3 2.7
6.3
Embodied Carbon, kg CO2/kg material 8.3
58
Embodied Energy, MJ/kg 150
920
Embodied Water, L/kg 1180
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 27
59
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 550
1260
Stiffness to Weight: Axial, points 14
9.3
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 20 to 29
23
Strength to Weight: Bending, points 28 to 35
23
Thermal Shock Resistance, points 8.6 to 12
45

Alloy Composition

Aluminum (Al), % 97.2 to 99
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 0 to 0.35
0 to 0.030
Magnesium (Mg), % 0.45 to 0.8
0
Manganese (Mn), % 0 to 0.1
0
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 0.6 to 1.0
0
Titanium (Ti), % 0 to 0.1
52.3 to 58
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.4