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1080A Aluminum vs. SAE-AISI 1552 Steel

1080A aluminum belongs to the aluminum alloys classification, while SAE-AISI 1552 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1080A aluminum and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 18 to 40
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 2.3 to 34
11 to 14
Fatigue Strength, MPa 18 to 50
290 to 400
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 49 to 81
460 to 510
Tensile Strength: Ultimate (UTS), MPa 74 to 140
760 to 840
Tensile Strength: Yield (Proof), MPa 17 to 120
460 to 650

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 640
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 230
51
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 62
11
Electrical Conductivity: Equal Weight (Specific), % IACS 200
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 1200
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.1 to 19
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 2.1 to 100
560 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 7.6 to 15
27 to 30
Strength to Weight: Bending, points 14 to 22
24 to 25
Thermal Diffusivity, mm2/s 94
14
Thermal Shock Resistance, points 3.3 to 6.4
26 to 29

Alloy Composition

Aluminum (Al), % 99.8 to 100
0
Carbon (C), % 0
0.47 to 0.55
Copper (Cu), % 0 to 0.030
0
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.15
97.9 to 98.3
Magnesium (Mg), % 0 to 0.020
0
Manganese (Mn), % 0 to 0.020
1.2 to 1.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.020
0
Zinc (Zn), % 0 to 0.060
0