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2007 Aluminum vs. ACI-ASTM CF16Fa Steel

2007 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF16Fa steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 2007 aluminum and the bottom bar is ACI-ASTM CF16Fa steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 5.6 to 8.0
28
Fatigue Strength, MPa 91 to 110
170
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 370 to 420
540
Tensile Strength: Yield (Proof), MPa 240 to 270
230

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 190
980
Melting Completion (Liquidus), °C 640
1420
Melting Onset (Solidus), °C 510
1370
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 8.0
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1130
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21 to 26
120
Resilience: Unit (Modulus of Resilience), kJ/m3 390 to 530
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 33 to 38
19
Strength to Weight: Bending, points 37 to 40
19
Thermal Diffusivity, mm2/s 48
4.2
Thermal Shock Resistance, points 16 to 19
12

Alloy Composition

Aluminum (Al), % 87.5 to 95
0
Bismuth (Bi), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.16
Chromium (Cr), % 0 to 0.1
18 to 21
Copper (Cu), % 3.3 to 4.6
0
Iron (Fe), % 0 to 0.8
62.1 to 72.4
Lead (Pb), % 0.8 to 1.5
0
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 0 to 0.2
9.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 2.0
Sulfur (S), % 0
0.2 to 0.4
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0
Residuals, % 0 to 0.3
0