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2117 Aluminum vs. 4047 Aluminum

Both 2117 aluminum and 4047 aluminum are aluminum alloys. They have 88% of their average alloy composition in common. There are 30 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 2117 aluminum and the bottom bar is 4047 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 26
3.4
Fatigue Strength, MPa 95
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Shear Strength, MPa 200
69
Tensile Strength: Ultimate (UTS), MPa 300
120
Tensile Strength: Yield (Proof), MPa 170
64

Thermal Properties

Latent Heat of Fusion, J/g 400
570
Maximum Temperature: Mechanical, °C 220
160
Melting Completion (Liquidus), °C 650
580
Melting Onset (Solidus), °C 550
580
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
33
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 3.0
2.5
Embodied Carbon, kg CO2/kg material 8.2
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1150
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64
3.5
Resilience: Unit (Modulus of Resilience), kJ/m3 190
28
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 47
55
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 33
21
Thermal Diffusivity, mm2/s 59
59
Thermal Shock Resistance, points 12
5.6

Alloy Composition

Aluminum (Al), % 91 to 97.6
85.3 to 89
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 2.2 to 4.5
0 to 0.3
Iron (Fe), % 0 to 0.7
0 to 0.8
Magnesium (Mg), % 0.2 to 1.0
0 to 0.1
Manganese (Mn), % 0.4 to 1.0
0 to 0.15
Silicon (Si), % 0.2 to 0.8
11 to 13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.25
0 to 0.2
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0
0 to 0.15