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242.0 Aluminum vs. SAE-AISI 1132 Steel

242.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1132 steel belongs to the iron alloys. There are 31 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 242.0 aluminum and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70 to 110
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 0.5 to 1.5
14 to 18
Fatigue Strength, MPa 55 to 110
240 to 380
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 150 to 240
400 to 440
Tensile Strength: Ultimate (UTS), MPa 180 to 290
640 to 720
Tensile Strength: Yield (Proof), MPa 120 to 220
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 210
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 530
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 130 to 170
51
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 44
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 96 to 130
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.9
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1130
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 1.3 to 3.4
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 340
330 to 940
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 16 to 26
23 to 25
Strength to Weight: Bending, points 23 to 32
21 to 23
Thermal Diffusivity, mm2/s 50 to 62
14
Thermal Shock Resistance, points 8.0 to 13
19 to 22

Alloy Composition

Aluminum (Al), % 88.4 to 93.6
0
Carbon (C), % 0
0.24 to 0.34
Chromium (Cr), % 0 to 0.25
0
Copper (Cu), % 3.5 to 4.5
0
Iron (Fe), % 0 to 1.0
97.8 to 98.3
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.35
1.4 to 1.7
Nickel (Ni), % 1.7 to 2.3
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0
0.080 to 0.13
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0