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EN AC-46200 Aluminum vs. SAE-AISI 4161 Steel

EN AC-46200 aluminum belongs to the aluminum alloys classification, while SAE-AISI 4161 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 EN AC-46200 aluminum and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 82
200
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.1
20
Fatigue Strength, MPa 87
290
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 210
680
Tensile Strength: Yield (Proof), MPa 130
410

Thermal Properties

Latent Heat of Fusion, J/g 510
250
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 620
1460
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 110
43
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 88
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.5
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 7.7
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 1060
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 28
22
Thermal Diffusivity, mm2/s 44
12
Thermal Shock Resistance, points 9.5
22

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
0
Carbon (C), % 0
0.56 to 0.64
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 0 to 0.8
96.7 to 97.6
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
0
Manganese (Mn), % 0.15 to 0.65
0.75 to 1.0
Molybdenum (Mo), % 0
0.25 to 0.35
Nickel (Ni), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
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