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850.0 Aluminum vs. Titanium 6-7

850.0 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 850.0 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
120
Elongation at Break, % 7.9
11
Fatigue Strength, MPa 59
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
45
Shear Strength, MPa 100
610
Tensile Strength: Ultimate (UTS), MPa 140
1020
Tensile Strength: Yield (Proof), MPa 76
900

Thermal Properties

Latent Heat of Fusion, J/g 380
410
Maximum Temperature: Mechanical, °C 190
300
Melting Completion (Liquidus), °C 650
1700
Melting Onset (Solidus), °C 370
1650
Specific Heat Capacity, J/kg-K 850
520
Thermal Expansion, µm/m-K 23
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
75
Density, g/cm3 3.1
5.1
Embodied Carbon, kg CO2/kg material 8.5
34
Embodied Energy, MJ/kg 160
540
Embodied Water, L/kg 1160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1
110
Resilience: Unit (Modulus of Resilience), kJ/m3 42
3460
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 44
32
Strength to Weight: Axial, points 12
56
Strength to Weight: Bending, points 19
44
Thermal Shock Resistance, points 6.1
66

Alloy Composition

Aluminum (Al), % 88.3 to 93.1
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0.7 to 1.3
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0.7 to 1.3
0
Niobium (Nb), % 0
6.5 to 7.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 0 to 0.7
0
Tantalum (Ta), % 0
0 to 0.5
Tin (Sn), % 5.5 to 7.0
0
Titanium (Ti), % 0 to 0.2
84.9 to 88
Residuals, % 0 to 0.3
0