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295.0 Aluminum vs. ACI-ASTM CB30 Steel

295.0 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 (7, 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 295.0 aluminum and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60 to 93
210
Elastic (Young's, Tensile) Modulus, GPa 71
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 230 to 280
500
Tensile Strength: Yield (Proof), MPa 100 to 220
230

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 640
1430
Melting Onset (Solidus), °C 530
1380
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 140
21
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 10
10
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1140
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 77 to 340
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 21 to 26
18
Strength to Weight: Bending, points 27 to 32
18
Thermal Diffusivity, mm2/s 54
5.6
Thermal Shock Resistance, points 9.8 to 12
17

Alloy Composition

Aluminum (Al), % 91.4 to 95.3
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 1.0
72.9 to 82
Magnesium (Mg), % 0 to 0.030
0
Manganese (Mn), % 0 to 0.35
0 to 1.0
Nickel (Ni), % 0
0 to 2.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.7 to 1.5
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.35
0
Residuals, % 0 to 0.15
0