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4343 Aluminum vs. EN AC-42100 Aluminum

Both 4343 aluminum and EN AC-42100 aluminum are aluminum alloys. Their average alloy composition is basically identical. 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 4343 aluminum and the bottom bar is EN AC-42100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 4.4
3.4 to 9.0
Fatigue Strength, MPa 45
76 to 82
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 110
280 to 290
Tensile Strength: Yield (Proof), MPa 62
210 to 230

Thermal Properties

Latent Heat of Fusion, J/g 510
500
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 620
610
Melting Onset (Solidus), °C 580
600
Specific Heat Capacity, J/kg-K 900
910
Thermal Conductivity, W/m-K 180
150
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 44
41
Electrical Conductivity: Equal Weight (Specific), % IACS 150
140

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.6
Embodied Carbon, kg CO2/kg material 7.9
8.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1100
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.1
9.1 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 27
300 to 370
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 53
53
Strength to Weight: Axial, points 12
30 to 31
Strength to Weight: Bending, points 20
37 to 38
Thermal Diffusivity, mm2/s 77
66
Thermal Shock Resistance, points 5.2
13

Alloy Composition

Aluminum (Al), % 90.3 to 93.2
91.3 to 93.3
Copper (Cu), % 0 to 0.25
0 to 0.050
Iron (Fe), % 0 to 0.8
0 to 0.19
Magnesium (Mg), % 0
0.25 to 0.45
Manganese (Mn), % 0 to 0.1
0 to 0.1
Silicon (Si), % 6.8 to 8.2
6.5 to 7.5
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.2
0 to 0.070
Residuals, % 0
0 to 0.1