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SAE-AISI 5160 Steel vs. 240.0 Aluminum

SAE-AISI 5160 steel belongs to the iron alloys classification, while 240.0 aluminum belongs to the aluminum alloys. There are 29 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 SAE-AISI 5160 steel and the bottom bar is 240.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 12 to 18
1.0
Fatigue Strength, MPa 180 to 650
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
240
Tensile Strength: Yield (Proof), MPa 280 to 1010
200

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 420
180
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
520
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 43
96
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
23
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
65

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
12
Density, g/cm3 7.8
3.2
Embodied Carbon, kg CO2/kg material 1.4
8.7
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 50
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
43
Strength to Weight: Axial, points 23 to 41
20
Strength to Weight: Bending, points 22 to 31
26
Thermal Diffusivity, mm2/s 12
35
Thermal Shock Resistance, points 19 to 34
11

Alloy Composition

Aluminum (Al), % 0
81.7 to 86.9
Carbon (C), % 0.56 to 0.61
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
7.0 to 9.0
Iron (Fe), % 97.1 to 97.8
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.7
Nickel (Ni), % 0
0.3 to 0.7
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.5
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15