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SAE-AISI 1042 Steel vs. Sintered 2014 Aluminum

SAE-AISI 1042 steel belongs to the iron alloys classification, while sintered 2014 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 1042 steel and the bottom bar is sintered 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 14 to 18
0.5 to 3.0
Fatigue Strength, MPa 230 to 370
52 to 100
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 620 to 700
140 to 290
Tensile Strength: Yield (Proof), MPa 340 to 580
97 to 280

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
560
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 52
130
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.0
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 94
1.0 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 320 to 900
68 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 22 to 25
13 to 27
Strength to Weight: Bending, points 21 to 22
20 to 33
Thermal Diffusivity, mm2/s 14
51
Thermal Shock Resistance, points 20 to 22
6.2 to 13

Alloy Composition

Aluminum (Al), % 0
91.5 to 96.3
Carbon (C), % 0.4 to 0.47
0
Copper (Cu), % 0
3.5 to 5.0
Iron (Fe), % 98.5 to 99
0
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 0.6 to 0.9
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0 to 0.050
0
Residuals, % 0
0 to 1.5