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296.0 Aluminum vs. ACI-ASTM CB30 Steel

296.0 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 (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 296.0 aluminum and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 90
210
Elastic (Young's, Tensile) Modulus, GPa 72
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 260 to 270
500
Tensile Strength: Yield (Proof), MPa 120 to 180
230

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 630
1430
Melting Onset (Solidus), °C 540
1380
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 130 to 150
21
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33 to 37
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 99 to 110
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.8
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1110
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 220
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 24 to 25
18
Strength to Weight: Bending, points 30 to 31
18
Thermal Diffusivity, mm2/s 51 to 56
5.6
Thermal Shock Resistance, points 12
17

Alloy Composition

Aluminum (Al), % 89 to 94
0
Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 4.0 to 5.0
0 to 1.2
Iron (Fe), % 0 to 1.2
72.9 to 82
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Nickel (Ni), % 0 to 0.35
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 2.0 to 3.0
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.35
0