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EN 1.0220 Steel vs. EN AC-21200 Aluminum

EN 1.0220 steel belongs to the iron alloys classification, while EN AC-21200 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 EN AC-21200 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 23
3.9 to 6.2
Fatigue Strength, MPa 210
110 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 390
410 to 440
Tensile Strength: Yield (Proof), MPa 290
270 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
550
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 51
130
Thermal Expansion, µm/m-K 12
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
34
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
100

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 1.4
8.0
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
16 to 22
Resilience: Unit (Modulus of Resilience), kJ/m3 230
500 to 930
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 14
38 to 40
Strength to Weight: Bending, points 15
41 to 43
Thermal Diffusivity, mm2/s 14
49
Thermal Shock Resistance, points 12
18 to 19

Alloy Composition


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Aluminum (Al), % 0
93.3 to 95.7
Carbon (C), % 0 to 0.16
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 98.2 to 100
0 to 0.2
Lead (Pb), % 0
0 to 0.030
Magnesium (Mg), % 0
0.15 to 0.5
Manganese (Mn), % 0 to 1.2
0.2 to 0.5
Nickel (Ni), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.045
0
Tin (Sn), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.1