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520.0 Aluminum vs. SAE-AISI 1137 Steel

520.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1137 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 520.0 aluminum and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 66
190
Elongation at Break, % 14
11 to 17
Fatigue Strength, MPa 55
250 to 400
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 230
430 to 460
Tensile Strength: Ultimate (UTS), MPa 330
700 to 760
Tensile Strength: Yield (Proof), MPa 170
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 87
51
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
10
Electrical Conductivity: Equal Weight (Specific), % IACS 72
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 9.8
1.4
Embodied Energy, MJ/kg 160
19
Embodied Water, L/kg 1170
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 230
360 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 52
24
Strength to Weight: Axial, points 35
25 to 27
Strength to Weight: Bending, points 41
22 to 24
Thermal Diffusivity, mm2/s 37
14
Thermal Shock Resistance, points 14
21 to 23

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0.32 to 0.39
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.3
97.8 to 98.3
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
1.4 to 1.7
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0