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ACI-ASTM CH10 Steel vs. EN AC-45500 Aluminum

ACI-ASTM CH10 steel belongs to the iron alloys classification, while EN AC-45500 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 CH10 steel and the bottom bar is EN AC-45500 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
110
Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 34
2.8
Fatigue Strength, MPa 180
80
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 78
26
Tensile Strength: Ultimate (UTS), MPa 540
320
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 310
500
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1410
610
Melting Onset (Solidus), °C 1370
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
33
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
110

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 3.7
8.0
Embodied Energy, MJ/kg 53
150
Embodied Water, L/kg 180
1110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
8.2
Resilience: Unit (Modulus of Resilience), kJ/m3 140
430
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 19
34
Strength to Weight: Bending, points 19
40
Thermal Diffusivity, mm2/s 3.9
65
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0
90.6 to 93.1
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
0.2 to 0.7
Iron (Fe), % 54.8 to 66
0 to 0.25
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0 to 1.5
0 to 0.15
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
6.5 to 7.5
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1