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EN 1.7177 Steel vs. 4006 Aluminum

EN 1.7177 steel belongs to the iron alloys classification, while 4006 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.7177 steel and the bottom bar is 4006 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
28 to 45
Elastic (Young's, Tensile) Modulus, GPa 190
69
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 660 to 1990
110 to 160

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 420
160
Melting Completion (Liquidus), °C 1450
640
Melting Onset (Solidus), °C 1410
620
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 47
220
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
56
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
180

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.0
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 1.4
8.1
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 49
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 23 to 71
11 to 16
Strength to Weight: Bending, points 21 to 45
19 to 24
Thermal Diffusivity, mm2/s 13
89
Thermal Shock Resistance, points 19 to 59
4.9 to 7.0

Alloy Composition

Aluminum (Al), % 0
97.4 to 98.7
Carbon (C), % 0.55 to 0.65
0
Chromium (Cr), % 0.6 to 0.9
0 to 0.2
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 97 to 98.2
0.5 to 0.8
Magnesium (Mg), % 0
0 to 0.010
Manganese (Mn), % 0.7 to 1.0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0.8 to 1.2
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.050
Residuals, % 0
0 to 0.15

Comparable Variants