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ACI-ASTM CC50 Steel vs. Sintered 6061 Aluminum

ACI-ASTM CC50 steel belongs to the iron alloys classification, while sintered 6061 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 CC50 steel and the bottom bar is sintered 6061 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
25
Tensile Strength: Ultimate (UTS), MPa 430
83 to 210

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1370
610
Specific Heat Capacity, J/kg-K 490
900
Thermal Conductivity, W/m-K 17
200
Thermal Expansion, µm/m-K 11
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
52
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
170

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 7.6
2.7
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 39
150
Embodied Water, L/kg 170
1180

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
51
Strength to Weight: Axial, points 16
8.6 to 21
Strength to Weight: Bending, points 17
16 to 29
Thermal Diffusivity, mm2/s 4.5
81
Thermal Shock Resistance, points 14
3.8 to 9.4

Alloy Composition

Aluminum (Al), % 0
96 to 99.4
Carbon (C), % 0 to 0.5
0
Chromium (Cr), % 26 to 30
0
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.9 to 74
0
Magnesium (Mg), % 0
0.4 to 1.2
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 4.0
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0.2 to 0.8
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 1.5