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SAE-AISI 1008 Steel vs. 2036 Aluminum

SAE-AISI 1008 steel belongs to the iron alloys classification, while 2036 aluminum belongs to the aluminum alloys. There are 30 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 1008 steel and the bottom bar is 2036 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 22 to 33
24
Fatigue Strength, MPa 150 to 220
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 220 to 230
210
Tensile Strength: Ultimate (UTS), MPa 330 to 370
340
Tensile Strength: Yield (Proof), MPa 190 to 310
200

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1470
650
Melting Onset (Solidus), °C 1430
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 62
160
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
41
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
130

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.1
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 45
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78 to 91
70
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 260
270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 12 to 13
33
Strength to Weight: Bending, points 13 to 15
38
Thermal Diffusivity, mm2/s 17
62
Thermal Shock Resistance, points 10 to 12
15

Alloy Composition

Aluminum (Al), % 0
94.4 to 97.4
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
2.2 to 3.0
Iron (Fe), % 99.31 to 99.7
0 to 0.5
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0.3 to 0.5
0.1 to 0.4
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 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15