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EN AC-44400 Aluminum vs. 4343 Aluminum

Both EN AC-44400 aluminum and 4343 aluminum are aluminum alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 98% 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-44400 aluminum and the bottom bar is 4343 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
71
Elongation at Break, % 4.1
4.4
Fatigue Strength, MPa 79
45
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 210
110
Tensile Strength: Yield (Proof), MPa 110
62

Thermal Properties

Latent Heat of Fusion, J/g 540
510
Maximum Temperature: Mechanical, °C 170
160
Melting Completion (Liquidus), °C 600
620
Melting Onset (Solidus), °C 590
580
Specific Heat Capacity, J/kg-K 900
900
Thermal Conductivity, W/m-K 140
180
Thermal Expansion, µm/m-K 22
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
44
Electrical Conductivity: Equal Weight (Specific), % IACS 110
150

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.6
Embodied Carbon, kg CO2/kg material 7.8
7.9
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1080
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.3
4.1
Resilience: Unit (Modulus of Resilience), kJ/m3 85
27
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 54
53
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 31
20
Thermal Diffusivity, mm2/s 60
77
Thermal Shock Resistance, points 9.8
5.2

Alloy Composition

Aluminum (Al), % 87.1 to 92
90.3 to 93.2
Copper (Cu), % 0 to 0.1
0 to 0.25
Iron (Fe), % 0 to 0.65
0 to 0.8
Lead (Pb), % 0 to 0.050
0
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.050
0
Silicon (Si), % 8.0 to 11
6.8 to 8.2
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0 to 0.2
Residuals, % 0
0 to 0.15