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SAE-AISI 1132 Steel vs. 2036 Aluminum

SAE-AISI 1132 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 1132 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, % 14 to 18
24
Fatigue Strength, MPa 240 to 380
130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Shear Strength, MPa 400 to 440
210
Tensile Strength: Ultimate (UTS), MPa 640 to 720
340
Tensile Strength: Yield (Proof), MPa 350 to 590
200

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 51
160
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
41
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
130

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.1
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 48
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
70
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 940
270
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
48
Strength to Weight: Axial, points 23 to 25
33
Strength to Weight: Bending, points 21 to 23
38
Thermal Diffusivity, mm2/s 14
62
Thermal Shock Resistance, points 19 to 22
15

Alloy Composition

Aluminum (Al), % 0
94.4 to 97.4
Carbon (C), % 0.24 to 0.34
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 0
2.2 to 3.0
Iron (Fe), % 97.8 to 98.3
0 to 0.5
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 1.4 to 1.7
0.1 to 0.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0.080 to 0.13
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15