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7049A Aluminum vs. Grade Ti-Pd18 Titanium

7049A aluminum belongs to the aluminum alloys classification, while grade Ti-Pd18 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is 7049A aluminum and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 5.0 to 5.7
17
Fatigue Strength, MPa 180
350
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 580 to 590
710
Tensile Strength: Yield (Proof), MPa 500 to 530
540

Thermal Properties

Latent Heat of Fusion, J/g 370
410
Maximum Temperature: Mechanical, °C 200
330
Melting Completion (Liquidus), °C 640
1640
Melting Onset (Solidus), °C 430
1590
Specific Heat Capacity, J/kg-K 850
550
Thermal Conductivity, W/m-K 130
8.2
Thermal Expansion, µm/m-K 24
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.7

Otherwise Unclassified Properties

Density, g/cm3 3.1
4.5
Embodied Carbon, kg CO2/kg material 8.2
41
Embodied Energy, MJ/kg 150
670
Embodied Water, L/kg 1100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 32
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1800 to 1990
1380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 44
35
Strength to Weight: Axial, points 52 to 53
44
Strength to Weight: Bending, points 50 to 51
39
Thermal Diffusivity, mm2/s 50
3.3
Thermal Shock Resistance, points 25
52

Alloy Composition

Aluminum (Al), % 84.6 to 89.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
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 0.25
Magnesium (Mg), % 2.1 to 3.1
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.4
0
Titanium (Ti), % 0 to 0.25
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 7.2 to 8.4
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.4