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ACI-ASTM CB6 Steel vs. EN AC-43000 Aluminum

ACI-ASTM CB6 steel belongs to the iron alloys classification, while EN AC-43000 aluminum belongs to the aluminum 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 ACI-ASTM CB6 steel and the bottom bar is EN AC-43000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 18
1.1 to 2.5
Fatigue Strength, MPa 410
68 to 76
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Tensile Strength: Ultimate (UTS), MPa 880
180 to 270
Tensile Strength: Yield (Proof), MPa 660
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 280
540
Maximum Temperature: Mechanical, °C 870
170
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 17
140
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
130

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.5
7.8
Embodied Energy, MJ/kg 36
150
Embodied Water, L/kg 130
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
66 to 360
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 32
20 to 29
Strength to Weight: Bending, points 26
28 to 36
Thermal Diffusivity, mm2/s 4.6
60
Thermal Shock Resistance, points 31
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
87 to 90.8
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15.5 to 17.5
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 74.4 to 81
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0 to 1.0
0 to 0.45
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
9.0 to 11
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15