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EN AC-47000 Aluminum vs. Grade 4 Titanium

EN AC-47000 aluminum belongs to the aluminum alloys classification, while grade 4 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN AC-47000 aluminum and the bottom bar is grade 4 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
200
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.7
17
Fatigue Strength, MPa 68
340
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
41
Tensile Strength: Ultimate (UTS), MPa 180
640
Tensile Strength: Yield (Proof), MPa 97
530

Thermal Properties

Latent Heat of Fusion, J/g 570
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 590
1660
Melting Onset (Solidus), °C 570
1610
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
19
Thermal Expansion, µm/m-K 21
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 7.7
31
Embodied Energy, MJ/kg 140
500
Embodied Water, L/kg 1040
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
100
Resilience: Unit (Modulus of Resilience), kJ/m3 65
1330
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 54
35
Strength to Weight: Axial, points 19
40
Strength to Weight: Bending, points 27
37
Thermal Diffusivity, mm2/s 55
7.6
Thermal Shock Resistance, points 8.3
46

Alloy Composition

Aluminum (Al), % 82.1 to 89.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 1.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.8
0 to 0.5
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0.050 to 0.55
0
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 10.5 to 13.5
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
98.6 to 100
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0
0 to 0.4