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2036 Aluminum vs. SAE-AISI 4150 Steel

2036 aluminum belongs to the aluminum alloys classification, while SAE-AISI 4150 steel belongs to the iron 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 2036 aluminum and the bottom bar is SAE-AISI 4150 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 24
12 to 20
Fatigue Strength, MPa 130
260 to 780
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 210
410 to 800
Tensile Strength: Ultimate (UTS), MPa 340
660 to 1310
Tensile Strength: Yield (Proof), MPa 200
380 to 1220

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 190
420
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 560
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 160
42
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.4
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
82 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
380 to 3930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 48
24
Strength to Weight: Axial, points 33
24 to 47
Strength to Weight: Bending, points 38
22 to 34
Thermal Diffusivity, mm2/s 62
11
Thermal Shock Resistance, points 15
19 to 39

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
0
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0 to 0.1
0.8 to 1.1
Copper (Cu), % 2.2 to 3.0
0
Iron (Fe), % 0 to 0.5
96.7 to 97.7
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.1 to 0.4
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0