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ACI-ASTM CA15M Steel vs. EN AC-47100 Aluminum

ACI-ASTM CA15M 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 (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-47100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
80
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 20
1.1
Fatigue Strength, MPa 330
110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 690
270
Tensile Strength: Yield (Proof), MPa 510
160

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Maximum Temperature: Mechanical, °C 760
170
Melting Completion (Liquidus), °C 1450
590
Melting Onset (Solidus), °C 1410
560
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 27
130
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
100

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
7.6
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 100
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 670
170
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
35
Thermal Diffusivity, mm2/s 7.2
54
Thermal Shock Resistance, points 25
12

Alloy Composition

Aluminum (Al), % 0
81.4 to 88.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0 to 0.1
Copper (Cu), % 0
0.7 to 1.2
Iron (Fe), % 82.1 to 88.4
0 to 1.3
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0 to 1.0
0 to 0.55
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.65
10.5 to 13.5
Sulfur (S), % 0 to 0.040
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