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EN AC-43300 Aluminum vs. SAE-AISI 1080 Steel

EN AC-43300 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1080 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN AC-43300 aluminum and the bottom bar is SAE-AISI 1080 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91 to 94
220 to 260
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 3.4 to 6.7
11
Fatigue Strength, MPa 76 to 77
300 to 360
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 280 to 290
770 to 870
Tensile Strength: Yield (Proof), MPa 210 to 230
480 to 590

Thermal Properties

Latent Heat of Fusion, J/g 540
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
51
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.9
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1080
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.1 to 17
80 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 370
610 to 920
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 54
24
Strength to Weight: Axial, points 31 to 32
27 to 31
Strength to Weight: Bending, points 37 to 38
24 to 26
Thermal Diffusivity, mm2/s 59
14
Thermal Shock Resistance, points 13 to 14
25 to 29

Alloy Composition

Aluminum (Al), % 88.9 to 90.8
0
Carbon (C), % 0
0.75 to 0.88
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
98.1 to 98.7
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 9.0 to 10
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0