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SAE-AISI 5160 Steel vs. EN AC-43100 Aluminum

SAE-AISI 5160 steel belongs to the iron alloys classification, while EN AC-43100 aluminum belongs to the aluminum alloys. There are 30 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 SAE-AISI 5160 steel and the bottom bar is EN AC-43100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
60 to 94
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 12 to 18
1.1 to 2.5
Fatigue Strength, MPa 180 to 650
68 to 76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
180 to 270
Tensile Strength: Yield (Proof), MPa 280 to 1010
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 250
540
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 43
140
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
37
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
130

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 1.4
7.8
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 50
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
66 to 360
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
54
Strength to Weight: Axial, points 23 to 41
20 to 29
Strength to Weight: Bending, points 22 to 31
28 to 36
Thermal Diffusivity, mm2/s 12
60
Thermal Shock Resistance, points 19 to 34
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
86.9 to 90.8
Carbon (C), % 0.56 to 0.61
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 97.1 to 97.8
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0.75 to 1.0
0 to 0.45
Nickel (Ni), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
9.0 to 11
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15