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2124 Aluminum vs. EN AC-45100 Aluminum

Both 2124 aluminum and EN AC-45100 aluminum are aluminum alloys. They have a moderately high 95% of their average alloy composition in common. 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 2124 aluminum and the bottom bar is EN AC-45100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
72
Elongation at Break, % 5.7
1.0 to 2.8
Fatigue Strength, MPa 130
82 to 99
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 490
300 to 360
Tensile Strength: Yield (Proof), MPa 430
210 to 320

Thermal Properties

Latent Heat of Fusion, J/g 390
470
Maximum Temperature: Mechanical, °C 190
170
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 500
550
Specific Heat Capacity, J/kg-K 880
890
Thermal Conductivity, W/m-K 150
140
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
30
Electrical Conductivity: Equal Weight (Specific), % IACS 110
95

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.0
2.8
Embodied Carbon, kg CO2/kg material 8.2
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
3.5 to 7.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
290 to 710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
49
Strength to Weight: Axial, points 45
30 to 35
Strength to Weight: Bending, points 46
35 to 39
Thermal Diffusivity, mm2/s 58
54
Thermal Shock Resistance, points 21
14 to 16

Alloy Composition

Aluminum (Al), % 91.3 to 94.7
88 to 92.8
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.8 to 4.9
2.6 to 3.6
Iron (Fe), % 0 to 0.3
0 to 0.6
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 1.2 to 1.8
0.15 to 0.45
Manganese (Mn), % 0.3 to 0.9
0 to 0.55
Nickel (Ni), % 0
0 to 0.1
Silicon (Si), % 0 to 0.2
4.5 to 6.0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0 to 0.25
Zinc (Zn), % 0 to 0.25
0 to 0.2
Residuals, % 0
0 to 0.15