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EN AC-45000 Aluminum vs. Grade C-3 Titanium

EN AC-45000 aluminum belongs to the aluminum alloys classification, while grade C-3 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 EN AC-45000 aluminum and the bottom bar is grade C-3 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 77
200
Elastic (Young's, Tensile) Modulus, GPa 73
110
Elongation at Break, % 1.1
13
Fatigue Strength, MPa 75
260
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 180
500
Tensile Strength: Yield (Proof), MPa 110
430

Thermal Properties

Latent Heat of Fusion, J/g 470
420
Maximum Temperature: Mechanical, °C 180
320
Melting Completion (Liquidus), °C 640
1660
Melting Onset (Solidus), °C 520
1610
Specific Heat Capacity, J/kg-K 870
540
Thermal Conductivity, W/m-K 120
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 81
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 3.0
4.5
Embodied Carbon, kg CO2/kg material 7.7
31
Embodied Energy, MJ/kg 140
510
Embodied Water, L/kg 1070
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.7
65
Resilience: Unit (Modulus of Resilience), kJ/m3 80
880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 47
35
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 24
31
Thermal Diffusivity, mm2/s 47
8.5
Thermal Shock Resistance, points 8.0
39

Alloy Composition

Aluminum (Al), % 82.2 to 91.8
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 3.0 to 5.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 1.0
0 to 0.25
Lead (Pb), % 0 to 0.3
0
Magnesium (Mg), % 0 to 0.55
0
Manganese (Mn), % 0.2 to 0.65
0
Nickel (Ni), % 0 to 0.45
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Silicon (Si), % 5.0 to 7.0
0
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
98.8 to 100
Zinc (Zn), % 0 to 2.0
0
Residuals, % 0 to 0.35
0 to 0.4