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ACI-ASTM CA15M Steel vs. EN AC-43000 Aluminum

ACI-ASTM CA15M steel belongs to the iron alloys classification, while EN AC-43000 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 CA15M steel and the bottom bar is EN AC-43000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
60 to 94
Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 20
1.1 to 2.5
Fatigue Strength, MPa 330
68 to 76
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 690
180 to 270
Tensile Strength: Yield (Proof), MPa 510
97 to 230

Thermal Properties

Latent Heat of Fusion, J/g 270
540
Maximum Temperature: Mechanical, °C 760
170
Melting Completion (Liquidus), °C 1450
600
Melting Onset (Solidus), °C 1410
590
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 27
140
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
38
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
130

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.1
7.8
Embodied Energy, MJ/kg 29
150
Embodied Water, L/kg 100
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
2.9 to 5.7
Resilience: Unit (Modulus of Resilience), kJ/m3 670
66 to 360
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 25
20 to 29
Strength to Weight: Bending, points 22
28 to 36
Thermal Diffusivity, mm2/s 7.2
60
Thermal Shock Resistance, points 25
8.6 to 12

Alloy Composition

Aluminum (Al), % 0
87 to 90.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 82.1 to 88.4
0 to 0.55
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.2 to 0.45
Manganese (Mn), % 0 to 1.0
0 to 0.45
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0 to 0.050
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.65
9.0 to 11
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.050
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15