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384.0 Aluminum vs. ACI-ASTM CB30 Steel

384.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 384.0 aluminum and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
210
Elastic (Young's, Tensile) Modulus, GPa 74
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 330
500
Tensile Strength: Yield (Proof), MPa 170
230

Thermal Properties

Latent Heat of Fusion, J/g 550
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 580
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
21
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 69
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.3
Embodied Energy, MJ/kg 140
33
Embodied Water, L/kg 1010
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 190
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 32
18
Strength to Weight: Bending, points 37
18
Thermal Diffusivity, mm2/s 39
5.6
Thermal Shock Resistance, points 15
17

Alloy Composition

Aluminum (Al), % 77.3 to 86.5
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 3.0 to 4.5
0 to 1.2
Iron (Fe), % 0 to 1.3
72.9 to 82
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Nickel (Ni), % 0 to 0.5
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 10.5 to 12
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0