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ACI-ASTM CK35MN Steel vs. EN AC-47100 Aluminum

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while EN AC-47100 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 CK35MN steel and the bottom bar is EN AC-47100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
80
Elastic (Young's, Tensile) Modulus, GPa 210
73
Elongation at Break, % 40
1.1
Fatigue Strength, MPa 270
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
27
Tensile Strength: Ultimate (UTS), MPa 650
270
Tensile Strength: Yield (Proof), MPa 310
160

Thermal Properties

Latent Heat of Fusion, J/g 310
570
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
590
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 12
130
Thermal Expansion, µm/m-K 16
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.0
2.6
Embodied Carbon, kg CO2/kg material 5.9
7.6
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 210
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
35
Thermal Diffusivity, mm2/s 3.3
54
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0
81.4 to 88.8
Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 22 to 24
0 to 0.1
Copper (Cu), % 0 to 0.4
0.7 to 1.2
Iron (Fe), % 43.4 to 51.8
0 to 1.3
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0 to 2.0
0 to 0.55
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
0 to 0.3
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
10.5 to 13.5
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.55
Residuals, % 0
0 to 0.25