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A380.0 Aluminum vs. SAE-AISI 1050 Steel

A380.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1050 steel belongs to the iron alloys. There are 31 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 A380.0 aluminum and the bottom bar is SAE-AISI 1050 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 3.3
11 to 17
Fatigue Strength, MPa 140
260 to 400
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Shear Strength, MPa 190
430 to 470
Tensile Strength: Ultimate (UTS), MPa 290
690 to 790
Tensile Strength: Yield (Proof), MPa 160
390 to 650

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 550
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
51
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 78
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1040
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180
400 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 28
25 to 28
Strength to Weight: Bending, points 34
22 to 24
Thermal Diffusivity, mm2/s 38
14
Thermal Shock Resistance, points 13
22 to 25

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0.48 to 0.55
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
98.5 to 98.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0.6 to 0.9
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0