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EN AC-21100 Aluminum vs. 4147 Aluminum

Both EN AC-21100 aluminum and 4147 aluminum are aluminum alloys. They have 87% of their average alloy composition in common. There are 29 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-21100 aluminum and the bottom bar is 4147 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 6.2 to 7.3
3.3
Fatigue Strength, MPa 79 to 87
42
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 340 to 350
110
Tensile Strength: Yield (Proof), MPa 210 to 240
59

Thermal Properties

Latent Heat of Fusion, J/g 390
570
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 670
580
Melting Onset (Solidus), °C 550
560
Specific Heat Capacity, J/kg-K 880
900
Thermal Conductivity, W/m-K 130
130
Thermal Expansion, µm/m-K 23
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
33
Electrical Conductivity: Equal Weight (Specific), % IACS 100
120

Otherwise Unclassified Properties

Base Metal Price, % relative 11
9.5
Density, g/cm3 3.0
2.5
Embodied Carbon, kg CO2/kg material 8.0
7.7
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1150
1050

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 21
3.1
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 400
24
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 46
55
Strength to Weight: Axial, points 31 to 33
12
Strength to Weight: Bending, points 36 to 37
20
Thermal Diffusivity, mm2/s 48
58
Thermal Shock Resistance, points 15
5.2

Alloy Composition


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Aluminum (Al), % 93.4 to 95.7
85 to 88.9
Beryllium (Be), % 0
0 to 0.00030
Copper (Cu), % 4.2 to 5.2
0 to 0.25
Iron (Fe), % 0 to 0.19
0 to 0.8
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0 to 0.55
0 to 0.1
Silicon (Si), % 0 to 0.18
11 to 13
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.070
0 to 0.2
Residuals, % 0 to 0.1
0 to 0.15