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7049A Aluminum vs. Grade 13 Titanium

7049A aluminum belongs to the aluminum alloys classification, while grade 13 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is grade 13 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
27
Fatigue Strength, MPa 180
140
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
41
Shear Strength, MPa 340 to 350
200
Tensile Strength: Ultimate (UTS), MPa 580 to 590
310
Tensile Strength: Yield (Proof), MPa 500 to 530
190

Thermal Properties

Latent Heat of Fusion, J/g 370
420
Maximum Temperature: Mechanical, °C 200
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 430
1610
Specific Heat Capacity, J/kg-K 850
540
Thermal Conductivity, W/m-K 130
22
Thermal Expansion, µm/m-K 24
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.2
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1100
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
73
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 52 to 53
19
Strength to Weight: Bending, points 50 to 51
22
Thermal Diffusivity, mm2/s 50
8.9
Thermal Shock Resistance, points 25
24

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0.050 to 0.25
0
Copper (Cu), % 1.2 to 1.9
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.5
0 to 0.2
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.1
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
98.5 to 99.56
Zinc (Zn), % 7.2 to 8.4
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4