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ACI-ASTM CB30 Steel vs. EN AC-46100 Aluminum

ACI-ASTM CB30 steel belongs to the iron alloys classification, while EN AC-46100 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 CB30 steel and the bottom bar is EN AC-46100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
91
Elastic (Young's, Tensile) Modulus, GPa 200
73
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Tensile Strength: Ultimate (UTS), MPa 500
270
Tensile Strength: Yield (Proof), MPa 230
160

Thermal Properties

Latent Heat of Fusion, J/g 290
550
Maximum Temperature: Mechanical, °C 940
180
Melting Completion (Liquidus), °C 1430
600
Melting Onset (Solidus), °C 1380
540
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 11
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
90

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.3
7.6
Embodied Energy, MJ/kg 33
140
Embodied Water, L/kg 130
1030

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
170
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
34
Thermal Diffusivity, mm2/s 5.6
44
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0
80.4 to 88.5
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 18 to 21
0 to 0.15
Copper (Cu), % 0 to 1.2
1.5 to 2.5
Iron (Fe), % 72.9 to 82
0 to 1.1
Lead (Pb), % 0
0 to 0.25
Magnesium (Mg), % 0
0 to 0.3
Manganese (Mn), % 0 to 1.0
0 to 0.55
Nickel (Ni), % 0 to 2.0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
10 to 12
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 1.7
Residuals, % 0
0 to 0.25