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SAE-AISI 1065 Steel vs. 240.0 Aluminum

SAE-AISI 1065 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 (3, 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 1065 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, % 11 to 14
1.0
Fatigue Strength, MPa 270 to 340
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Tensile Strength: Ultimate (UTS), MPa 710 to 780
240
Tensile Strength: Yield (Proof), MPa 430 to 550
200

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 400
180
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
860
Thermal Conductivity, W/m-K 51
96
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
23
Electrical Conductivity: Equal Weight (Specific), % IACS 12
65

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
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 46
1100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 90
2.2
Resilience: Unit (Modulus of Resilience), kJ/m3 490 to 820
280
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
43
Strength to Weight: Axial, points 25 to 28
20
Strength to Weight: Bending, points 23 to 24
26
Thermal Diffusivity, mm2/s 14
35
Thermal Shock Resistance, points 25 to 27
11

Alloy Composition

Aluminum (Al), % 0
81.7 to 86.9
Carbon (C), % 0.6 to 0.7
0
Copper (Cu), % 0
7.0 to 9.0
Iron (Fe), % 98.3 to 98.8
0 to 0.5
Magnesium (Mg), % 0
5.5 to 6.5
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.7
Nickel (Ni), % 0
0.3 to 0.7
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15