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ACI-ASTM CB30 Steel vs. 5059 Aluminum

ACI-ASTM CB30 steel belongs to the iron alloys classification, while 5059 aluminum belongs to the aluminum 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 ACI-ASTM CB30 steel and the bottom bar is 5059 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Tensile Strength: Ultimate (UTS), MPa 500
350 to 410
Tensile Strength: Yield (Proof), MPa 230
170 to 300

Thermal Properties

Latent Heat of Fusion, J/g 290
390
Maximum Temperature: Corrosion, °C 420
65
Maximum Temperature: Mechanical, °C 940
210
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1380
510
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 21
110
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
29
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
95

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.3
9.1
Embodied Energy, MJ/kg 33
160
Embodied Water, L/kg 130
1160

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 140
220 to 650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 18
36 to 42
Strength to Weight: Bending, points 18
41 to 45
Thermal Diffusivity, mm2/s 5.6
44
Thermal Shock Resistance, points 17
16 to 18

Alloy Composition

Aluminum (Al), % 0
89.9 to 94
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 18 to 21
0 to 0.25
Copper (Cu), % 0 to 1.2
0 to 0.25
Iron (Fe), % 72.9 to 82
0 to 0.5
Magnesium (Mg), % 0
5.0 to 6.0
Manganese (Mn), % 0 to 1.0
0.6 to 1.2
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.45
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0.4 to 0.9
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15