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1070A Aluminum vs. Grade 35 Titanium

1070A aluminum belongs to the aluminum alloys classification, while grade 35 titanium belongs to the titanium alloys. There are 30 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 1070A aluminum and the bottom bar is grade 35 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
110
Elongation at Break, % 2.3 to 33
5.6
Fatigue Strength, MPa 17 to 51
330
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
41
Shear Strength, MPa 44 to 81
580
Tensile Strength: Ultimate (UTS), MPa 68 to 140
1000
Tensile Strength: Yield (Proof), MPa 17 to 120
630

Thermal Properties

Latent Heat of Fusion, J/g 400
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 640
1630
Melting Onset (Solidus), °C 640
1580
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 230
7.4
Thermal Expansion, µm/m-K 23
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
1.1
Electrical Conductivity: Equal Weight (Specific), % IACS 200
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
37
Density, g/cm3 2.7
4.6
Embodied Carbon, kg CO2/kg material 8.2
33
Embodied Energy, MJ/kg 150
530
Embodied Water, L/kg 1200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 18
49
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
1830
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
35
Strength to Weight: Axial, points 7.0 to 14
61
Strength to Weight: Bending, points 14 to 22
49
Thermal Diffusivity, mm2/s 94
3.0
Thermal Shock Resistance, points 3.1 to 6.3
70

Alloy Composition


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Aluminum (Al), % 99.7 to 100
4.0 to 5.0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 0 to 0.030
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0.2 to 0.8
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.030
0
Molybdenum (Mo), % 0
1.5 to 2.5
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0 to 0.2
0.2 to 0.4
Titanium (Ti), % 0 to 0.030
88.4 to 93
Vanadium (V), % 0
1.1 to 2.1
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0
0 to 0.4