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ACI-ASTM CK3MCuN Steel vs. 6005A Aluminum

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while 6005A 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 CK3MCuN steel and the bottom bar is 6005A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 39
8.6 to 17
Fatigue Strength, MPa 250
55 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 620
190 to 300
Tensile Strength: Yield (Proof), MPa 290
100 to 270

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1090
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1350
600
Specific Heat Capacity, J/kg-K 460
900
Thermal Conductivity, W/m-K 12
180 to 190
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
47 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
150 to 170

Otherwise Unclassified Properties

Base Metal Price, % relative 29
9.5
Density, g/cm3 8.0
2.7
Embodied Carbon, kg CO2/kg material 5.6
8.3
Embodied Energy, MJ/kg 76
150
Embodied Water, L/kg 190
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
24 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 210
76 to 530
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 21
20 to 30
Strength to Weight: Bending, points 20
27 to 36
Thermal Diffusivity, mm2/s 3.2
72 to 79
Thermal Shock Resistance, points 14
8.6 to 13

Alloy Composition

Aluminum (Al), % 0
96.5 to 99.1
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0 to 0.3
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 49.5 to 56.3
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.7
Manganese (Mn), % 0 to 1.2
0 to 0.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0.5 to 0.9
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15