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EN AC-46200 Aluminum vs. SAE-AISI 1042 Steel

EN AC-46200 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1042 steel belongs to the iron 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 EN AC-46200 aluminum and the bottom bar is SAE-AISI 1042 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 82
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
14 to 18
Fatigue Strength, MPa 87
230 to 370
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 210
620 to 700
Tensile Strength: Yield (Proof), MPa 130
340 to 580

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 110
52
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 1060
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
87 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 110
320 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 21
22 to 25
Strength to Weight: Bending, points 28
21 to 22
Thermal Diffusivity, mm2/s 44
14
Thermal Shock Resistance, points 9.5
20 to 22

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
0
Carbon (C), % 0
0.4 to 0.47
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 0 to 0.8
98.5 to 99
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0.15 to 0.65
0.6 to 0.9
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 7.5 to 9.5
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.2
0
Residuals, % 0 to 0.25
0