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851.0 Aluminum vs. Grade 36 Titanium

851.0 aluminum belongs to the aluminum alloys classification, while grade 36 titanium belongs to the titanium alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, 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 851.0 aluminum and the bottom bar is grade 36 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
110
Elongation at Break, % 3.9 to 9.1
11
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
39
Tensile Strength: Ultimate (UTS), MPa 130 to 140
530

Thermal Properties

Latent Heat of Fusion, J/g 410
370
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 630
2020
Melting Onset (Solidus), °C 360
1950
Specific Heat Capacity, J/kg-K 850
420
Thermal Expansion, µm/m-K 23
8.1

Otherwise Unclassified Properties

Density, g/cm3 3.1
6.3
Embodied Carbon, kg CO2/kg material 8.4
58
Embodied Energy, MJ/kg 160
920
Embodied Water, L/kg 1140
130

Common Calculations

Stiffness to Weight: Axial, points 13
9.3
Stiffness to Weight: Bending, points 45
25
Strength to Weight: Axial, points 12 to 13
23
Strength to Weight: Bending, points 19 to 20
23
Thermal Shock Resistance, points 6.1 to 6.3
45

Alloy Composition

Aluminum (Al), % 86.6 to 91.5
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0.7 to 1.3
0
Hydrogen (H), % 0
0 to 0.0035
Iron (Fe), % 0 to 0.7
0 to 0.030
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0.3 to 0.7
0
Niobium (Nb), % 0
42 to 47
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.16
Silicon (Si), % 2.0 to 3.0
0
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
52.3 to 58
Residuals, % 0
0 to 0.4