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EN 1.0220 Steel vs. 7003 Aluminum

EN 1.0220 steel belongs to the iron alloys classification, while 7003 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.0220 steel and the bottom bar is 7003 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 23
11
Fatigue Strength, MPa 210
130 to 150
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
26
Shear Strength, MPa 250
210 to 230
Tensile Strength: Ultimate (UTS), MPa 390
350 to 390
Tensile Strength: Yield (Proof), MPa 290
300 to 310

Thermal Properties

Latent Heat of Fusion, J/g 250
380
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1460
630
Melting Onset (Solidus), °C 1420
510
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 51
150
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
36
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
110

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.9
2.9
Embodied Carbon, kg CO2/kg material 1.4
8.1
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
37 to 41
Resilience: Unit (Modulus of Resilience), kJ/m3 230
630 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 14
33 to 37
Strength to Weight: Bending, points 15
37 to 40
Thermal Diffusivity, mm2/s 14
59
Thermal Shock Resistance, points 12
15 to 17

Alloy Composition


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Aluminum (Al), % 0
90.6 to 94.5
Carbon (C), % 0 to 0.16
0
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 98.2 to 100
0 to 0.35
Magnesium (Mg), % 0
0.5 to 1.0
Manganese (Mn), % 0 to 1.2
0 to 0.3
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.045
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
5.0 to 6.5
Zirconium (Zr), % 0
0.050 to 0.25
Residuals, % 0
0 to 0.15