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4007 Aluminum vs. EN 1.8201 Steel

4007 aluminum belongs to the aluminum alloys classification, while EN 1.8201 steel belongs to the iron 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 4007 aluminum and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 32 to 44
190
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 5.1 to 23
20
Fatigue Strength, MPa 46 to 88
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
74
Shear Strength, MPa 80 to 90
390
Tensile Strength: Ultimate (UTS), MPa 130 to 160
630
Tensile Strength: Yield (Proof), MPa 50 to 120
450

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 170
450
Melting Completion (Liquidus), °C 650
1500
Melting Onset (Solidus), °C 590
1450
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
40
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.8
8.0
Embodied Carbon, kg CO2/kg material 8.1
2.5
Embodied Energy, MJ/kg 150
36
Embodied Water, L/kg 1160
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.4 to 23
110
Resilience: Unit (Modulus of Resilience), kJ/m3 18 to 110
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 12 to 15
22
Strength to Weight: Bending, points 20 to 23
20
Thermal Diffusivity, mm2/s 67
11
Thermal Shock Resistance, points 5.5 to 6.7
18

Alloy Composition

Aluminum (Al), % 94.1 to 97.6
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0.050 to 0.25
1.9 to 2.6
Cobalt (Co), % 0 to 0.050
0
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0.4 to 1.0
93.6 to 96.2
Magnesium (Mg), % 0 to 0.2
0
Manganese (Mn), % 0.8 to 1.5
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 0.15 to 0.7
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 1.0 to 1.7
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.1
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0