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4104 Aluminum vs. AWS ERTi-2

4104 aluminum belongs to the aluminum alloys classification, while AWS ERTi-2 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 4104 aluminum and the bottom bar is AWS ERTi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
110
Elongation at Break, % 2.4
20
Fatigue Strength, MPa 42
190
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
40
Tensile Strength: Ultimate (UTS), MPa 110
340
Tensile Strength: Yield (Proof), MPa 60
280

Thermal Properties

Latent Heat of Fusion, J/g 540
420
Maximum Temperature: Mechanical, °C 160
320
Melting Completion (Liquidus), °C 600
1670
Melting Onset (Solidus), °C 560
1620
Specific Heat Capacity, J/kg-K 900
540
Thermal Conductivity, W/m-K 130
21
Thermal Expansion, µm/m-K 22
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 120
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
37
Density, g/cm3 2.6
4.5
Embodied Carbon, kg CO2/kg material 8.0
31
Embodied Energy, MJ/kg 150
510
Embodied Water, L/kg 1080
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
64
Resilience: Unit (Modulus of Resilience), kJ/m3 25
360
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
35
Strength to Weight: Axial, points 12
21
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 58
8.7
Thermal Shock Resistance, points 5.1
27

Alloy Composition

Aluminum (Al), % 85.8 to 90
0
Bismuth (Bi), % 0.020 to 0.2
0
Carbon (C), % 0
0 to 0.030
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.0080
Iron (Fe), % 0 to 0.8
0 to 0.12
Magnesium (Mg), % 1.0 to 2.0
0
Manganese (Mn), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.015
Oxygen (O), % 0
0.080 to 0.16
Silicon (Si), % 9.0 to 10.5
0
Titanium (Ti), % 0
99.667 to 99.92
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0