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EN 1.7102 Steel vs. EN AC-47000 Aluminum

EN 1.7102 steel belongs to the iron alloys classification, while EN AC-47000 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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 EN 1.7102 steel and the bottom bar is EN AC-47000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
60
Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
27
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
180

Thermal Properties

Latent Heat of Fusion, J/g 270
570
Maximum Temperature: Mechanical, °C 410
170
Melting Completion (Liquidus), °C 1440
590
Melting Onset (Solidus), °C 1400
570
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 47
130
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
9.5
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 48
1040

Common Calculations

Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 25
54
Strength to Weight: Axial, points 24 to 72
19
Strength to Weight: Bending, points 22 to 46
27
Thermal Diffusivity, mm2/s 13
55
Thermal Shock Resistance, points 20 to 60
8.3

Alloy Composition

Aluminum (Al), % 0
82.1 to 89.5
Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.5 to 0.8
0 to 0.1
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.2 to 97.3
0 to 0.8
Lead (Pb), % 0
0 to 0.2
Magnesium (Mg), % 0
0 to 0.35
Manganese (Mn), % 0.5 to 0.8
0.050 to 0.55
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.2 to 1.6
10.5 to 13.5
Sulfur (S), % 0 to 0.025
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