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4047 Aluminum vs. Grade C-6 Titanium

4047 aluminum belongs to the aluminum alloys classification, while grade C-6 titanium belongs to the titanium alloys. There are 29 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 4047 aluminum and the bottom bar is grade C-6 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
100
Elongation at Break, % 3.4
9.0
Fatigue Strength, MPa 45
460
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
39
Tensile Strength: Ultimate (UTS), MPa 120
890
Tensile Strength: Yield (Proof), MPa 64
830

Thermal Properties

Latent Heat of Fusion, J/g 570
410
Maximum Temperature: Mechanical, °C 160
310
Melting Completion (Liquidus), °C 580
1580
Melting Onset (Solidus), °C 580
1530
Specific Heat Capacity, J/kg-K 900
550
Thermal Conductivity, W/m-K 130
7.8
Thermal Expansion, µm/m-K 21
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
36
Density, g/cm3 2.5
4.5
Embodied Carbon, kg CO2/kg material 7.7
30
Embodied Energy, MJ/kg 140
480
Embodied Water, L/kg 1050
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.5
78
Resilience: Unit (Modulus of Resilience), kJ/m3 28
3300
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
35
Strength to Weight: Axial, points 13
55
Strength to Weight: Bending, points 21
46
Thermal Diffusivity, mm2/s 59
3.2
Thermal Shock Resistance, points 5.6
63

Alloy Composition

Aluminum (Al), % 85.3 to 89
4.0 to 6.0
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.15
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Silicon (Si), % 11 to 13
0
Tin (Sn), % 0
2.0 to 3.0
Titanium (Ti), % 0
89.7 to 94
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0
0 to 0.4