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ACI-ASTM CE30 Steel vs. 3203 Aluminum

ACI-ASTM CE30 steel belongs to the iron alloys classification, while 3203 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 CE30 steel and the bottom bar is 3203 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 11
4.5 to 29
Fatigue Strength, MPa 170
46 to 92
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 630
110 to 200
Tensile Strength: Yield (Proof), MPa 310
39 to 190

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1410
650
Melting Onset (Solidus), °C 1360
620
Specific Heat Capacity, J/kg-K 490
900
Thermal Conductivity, W/m-K 14
170
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
43
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
140

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.0
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 3.4
8.1
Embodied Energy, MJ/kg 49
150
Embodied Water, L/kg 180
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
8.0 to 25
Resilience: Unit (Modulus of Resilience), kJ/m3 240
11 to 250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 23
11 to 20
Strength to Weight: Bending, points 21
19 to 28
Thermal Diffusivity, mm2/s 3.6
70
Thermal Shock Resistance, points 13
4.9 to 8.8

Alloy Composition

Aluminum (Al), % 0
96.9 to 99
Carbon (C), % 0 to 0.3
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 55.1 to 66
0 to 0.7
Manganese (Mn), % 0 to 1.5
1.0 to 1.5
Nickel (Ni), % 8.0 to 11
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15