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8011A Aluminum vs. SAE-AISI 1070 Steel

8011A aluminum belongs to the aluminum alloys classification, while SAE-AISI 1070 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 8011A aluminum and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.7 to 28
10 to 13
Fatigue Strength, MPa 33 to 76
270 to 350
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
72
Tensile Strength: Ultimate (UTS), MPa 100 to 180
640 to 760
Tensile Strength: Yield (Proof), MPa 34 to 170
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 630
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
50
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
10
Electrical Conductivity: Equal Weight (Specific), % IACS 180
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 11 to 18
23 to 27
Strength to Weight: Bending, points 18 to 26
21 to 24
Thermal Diffusivity, mm2/s 86
14
Thermal Shock Resistance, points 4.6 to 8.1
21 to 25

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0.65 to 0.75
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 1.0
98.3 to 98.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0.6 to 0.9
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0