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ACI-ASTM CA15M Steel vs. EN AC-46300 Aluminum

ACI-ASTM CA15M steel belongs to the iron alloys classification, while EN AC-46300 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-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
91
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 20
1.1
Fatigue Strength, MPa 330
79
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
27
Tensile Strength: Ultimate (UTS), MPa 690
200
Tensile Strength: Yield (Proof), MPa 510
110

Thermal Properties

Latent Heat of Fusion, J/g 270
490
Maximum Temperature: Mechanical, °C 760
170
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1410
530
Specific Heat Capacity, J/kg-K 480
880
Thermal Conductivity, W/m-K 27
120
Thermal Expansion, µm/m-K 10
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
84

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 2.1
7.7
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 100
1060

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
1.9
Resilience: Unit (Modulus of Resilience), kJ/m3 670
89
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 25
20
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 7.2
47
Thermal Shock Resistance, points 25
9.1

Alloy Composition

Aluminum (Al), % 0
84 to 90
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 82.1 to 88.4
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0 to 1.0
0.2 to 0.65
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
6.5 to 8.0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.65
Residuals, % 0
0 to 0.55