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4007 Aluminum vs. EN 1.0045 Steel

4007 aluminum belongs to the aluminum alloys classification, while EN 1.0045 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 4007 aluminum and the bottom bar is EN 1.0045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
150
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.1 to 23
20
Fatigue Strength, MPa 46 to 88
230
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Shear Strength, MPa 80 to 90
330
Tensile Strength: Ultimate (UTS), MPa 130 to 160
530
Tensile Strength: Yield (Proof), MPa 50 to 120
330

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 170
400
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
50
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
93
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 12 to 15
19
Strength to Weight: Bending, points 20 to 23
18
Thermal Diffusivity, mm2/s 67
14
Thermal Shock Resistance, points 5.5 to 6.7
17

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0
Carbon (C), % 0
0 to 0.27
Chromium (Cr), % 0.050 to 0.25
0
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0 to 0.6
Iron (Fe), % 0.4 to 1.0
96.7 to 100
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0 to 1.7
Nickel (Ni), % 0.15 to 0.7
0
Nitrogen (N), % 0
0 to 0.014
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 1.0 to 1.7
0 to 0.6
Sulfur (S), % 0
0 to 0.045
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0