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EN 1.7201 Steel vs. EN AC-46300 Aluminum

EN 1.7201 steel belongs to the iron alloys classification, while EN AC-46300 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 1.7201 steel and the bottom bar is EN AC-46300 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 160
91
Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 430 to 1300
200

Thermal Properties

Latent Heat of Fusion, J/g 250
490
Maximum Temperature: Mechanical, °C 420
170
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
530
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 45
120
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
84

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
10
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 20
140
Embodied Water, L/kg 51
1060

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 15 to 46
20
Strength to Weight: Bending, points 16 to 34
27
Thermal Diffusivity, mm2/s 12
47
Thermal Shock Resistance, points 13 to 38
9.1

Alloy Composition

Aluminum (Al), % 0
84 to 90
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 0.9 to 1.2
0
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 96.9 to 98.3
0 to 0.8
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.3 to 0.6
Manganese (Mn), % 0.6 to 0.9
0.2 to 0.65
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
6.5 to 8.0
Sulfur (S), % 0 to 0.025
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