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EN AC-47000 Aluminum vs. ACI-ASTM CF3MN Steel

EN AC-47000 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF3MN 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-47000 aluminum and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
170
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 1.7
39
Fatigue Strength, MPa 68
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
78
Tensile Strength: Ultimate (UTS), MPa 180
580
Tensile Strength: Yield (Proof), MPa 97
290

Thermal Properties

Latent Heat of Fusion, J/g 570
300
Maximum Temperature: Mechanical, °C 170
1010
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 570
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 110
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.6
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.9
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 1040
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.5
190
Resilience: Unit (Modulus of Resilience), kJ/m3 65
210
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 54
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 27
20
Thermal Diffusivity, mm2/s 55
4.1
Thermal Shock Resistance, points 8.3
13

Alloy Composition

Aluminum (Al), % 82.1 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
17 to 22
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 0 to 0.8
58.7 to 71.9
Lead (Pb), % 0 to 0.2
0
Magnesium (Mg), % 0 to 0.35
0
Manganese (Mn), % 0.050 to 0.55
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 13.5
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.55
0
Residuals, % 0 to 0.25
0