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EN AC-46100 Aluminum vs. SAE-AISI 1340 Steel

EN AC-46100 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1340 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-46100 aluminum and the bottom bar is SAE-AISI 1340 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
160 to 210
Elastic (Young's, Tensile) Modulus, GPa 73
190
Elongation at Break, % 1.0
11 to 23
Fatigue Strength, MPa 110
220 to 390
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 28
72
Tensile Strength: Ultimate (UTS), MPa 270
540 to 730
Tensile Strength: Yield (Proof), MPa 160
300 to 620

Thermal Properties

Latent Heat of Fusion, J/g 550
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 600
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 110
51
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 90
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.9
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 7.6
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 1030
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
240 to 1040
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 27
19 to 26
Strength to Weight: Bending, points 34
19 to 23
Thermal Diffusivity, mm2/s 44
14
Thermal Shock Resistance, points 12
17 to 23

Alloy Composition

Aluminum (Al), % 80.4 to 88.5
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 0 to 1.1
97.2 to 97.9
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0 to 0.3
0
Manganese (Mn), % 0 to 0.55
1.6 to 1.9
Nickel (Ni), % 0 to 0.45
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 10 to 12
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 1.7
0
Residuals, % 0 to 0.25
0