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3004 Aluminum vs. Titanium 6-2-4-2

3004 aluminum belongs to the aluminum alloys classification, while titanium 6-2-4-2 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 3004 aluminum and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
110
Elongation at Break, % 1.1 to 19
8.6
Fatigue Strength, MPa 55 to 120
490
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 26
40
Shear Strength, MPa 100 to 180
560
Tensile Strength: Ultimate (UTS), MPa 170 to 310
950
Tensile Strength: Yield (Proof), MPa 68 to 270
880

Thermal Properties

Latent Heat of Fusion, J/g 400
400
Maximum Temperature: Mechanical, °C 180
300
Melting Completion (Liquidus), °C 650
1590
Melting Onset (Solidus), °C 630
1540
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 160
6.9
Thermal Expansion, µm/m-K 24
9.5

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
0.9
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
42
Density, g/cm3 2.8
4.6
Embodied Carbon, kg CO2/kg material 8.3
32
Embodied Energy, MJ/kg 150
520
Embodied Water, L/kg 1180
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.2 to 27
79
Resilience: Unit (Modulus of Resilience), kJ/m3 33 to 540
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
34
Strength to Weight: Axial, points 18 to 31
57
Strength to Weight: Bending, points 25 to 37
46
Thermal Diffusivity, mm2/s 65
2.8
Thermal Shock Resistance, points 7.6 to 13
67

Alloy Composition

Aluminum (Al), % 95.6 to 98.2
5.5 to 6.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.7
0 to 0.25
Magnesium (Mg), % 0.8 to 1.3
0
Manganese (Mn), % 1.0 to 1.5
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Silicon (Si), % 0 to 0.3
0.060 to 0.12
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0
83.7 to 87.2
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4