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EN 1.7366 Steel vs. 4007 Aluminum

EN 1.7366 steel belongs to the iron alloys classification, while 4007 aluminum belongs to the aluminum alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.7366 steel and the bottom bar is 4007 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 210
32 to 44
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 17 to 19
5.1 to 23
Fatigue Strength, MPa 160 to 320
46 to 88
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 74
27
Shear Strength, MPa 290 to 440
80 to 90
Tensile Strength: Ultimate (UTS), MPa 460 to 710
130 to 160
Tensile Strength: Yield (Proof), MPa 230 to 480
50 to 120

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 510
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
590
Specific Heat Capacity, J/kg-K 470
890
Thermal Conductivity, W/m-K 40
170
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
42
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
9.5
Density, g/cm3 7.8
2.8
Embodied Carbon, kg CO2/kg material 1.7
8.1
Embodied Energy, MJ/kg 23
150
Embodied Water, L/kg 69
1160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
7.4 to 23
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
18 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
49
Strength to Weight: Axial, points 16 to 25
12 to 15
Strength to Weight: Bending, points 17 to 23
20 to 23
Thermal Diffusivity, mm2/s 11
67
Thermal Shock Resistance, points 13 to 20
5.5 to 6.7

Alloy Composition

Aluminum (Al), % 0
94.1 to 97.6
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 4.0 to 6.0
0.050 to 0.25
Cobalt (Co), % 0
0 to 0.050
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 91.9 to 95.3
0.4 to 1.0
Magnesium (Mg), % 0
0 to 0.2
Manganese (Mn), % 0.3 to 0.8
0.8 to 1.5
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0
0.15 to 0.7
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
1.0 to 1.7
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15

Comparable Variants