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710.0 Aluminum vs. SAE-AISI 1140 Steel

710.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1140 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 710.0 aluminum and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 2.2 to 3.6
14 to 18
Fatigue Strength, MPa 55 to 110
230 to 370
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
72
Shear Strength, MPa 180
370 to 420
Tensile Strength: Ultimate (UTS), MPa 240 to 250
600 to 700
Tensile Strength: Yield (Proof), MPa 160
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
51
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.0
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.9 to 7.9
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 190
310 to 870
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
24
Strength to Weight: Axial, points 23
21 to 25
Strength to Weight: Bending, points 29
20 to 22
Thermal Diffusivity, mm2/s 53
14
Thermal Shock Resistance, points 10 to 11
18 to 21

Alloy Composition

Aluminum (Al), % 90.5 to 93.1
0
Carbon (C), % 0
0.37 to 0.44
Copper (Cu), % 0.35 to 0.65
0
Iron (Fe), % 0 to 0.5
98.4 to 98.9
Magnesium (Mg), % 0.6 to 0.8
0
Manganese (Mn), % 0 to 0.050
0.7 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0