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5005-O Aluminum vs. ACI-ASTM CF3 Steel

5005-O aluminum belongs to the aluminum alloys classification, while ACI-ASTM CF3 steel belongs to the iron alloys. There are 30 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 5005-O aluminum and the bottom bar is ACI-ASTM CF3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28
140
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 23
60
Fatigue Strength, MPa 45
270
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 120
510
Tensile Strength: Yield (Proof), MPa 41
250

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 180
960
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 630
1450
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 200
16
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
16
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.3
3.2
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
250
Resilience: Unit (Modulus of Resilience), kJ/m3 12
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 12
18
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 82
4.3
Thermal Shock Resistance, points 5.4
11

Alloy Composition

Aluminum (Al), % 97 to 99.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
17 to 21
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.7
62.9 to 75
Magnesium (Mg), % 0.5 to 1.1
0
Manganese (Mn), % 0 to 0.2
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
8.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0