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B390.0 Aluminum vs. Titanium 6-7

B390.0 aluminum belongs to the aluminum alloys classification, while titanium 6-7 belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is B390.0 aluminum and the bottom bar is titanium 6-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 76
120
Elongation at Break, % 0.88
11
Fatigue Strength, MPa 170
530
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 29
45
Tensile Strength: Ultimate (UTS), MPa 320
1020
Tensile Strength: Yield (Proof), MPa 250
900

Thermal Properties

Latent Heat of Fusion, J/g 640
410
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 580
1700
Melting Onset (Solidus), °C 580
1650
Specific Heat Capacity, J/kg-K 880
520
Thermal Expansion, µm/m-K 20
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
75
Density, g/cm3 2.8
5.1
Embodied Carbon, kg CO2/kg material 7.3
34
Embodied Energy, MJ/kg 130
540
Embodied Water, L/kg 940
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.6
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
3460
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
32
Strength to Weight: Axial, points 32
56
Strength to Weight: Bending, points 38
44
Thermal Shock Resistance, points 15
66

Alloy Composition

Aluminum (Al), % 72.7 to 79.6
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 4.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.0090
Iron (Fe), % 0 to 1.3
0 to 0.25
Magnesium (Mg), % 0.45 to 0.65
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0 to 0.1
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), % 16 to 18
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.1
84.9 to 88
Zinc (Zn), % 0 to 1.5
0
Residuals, % 0 to 0.2
0