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EN 1.6220 Steel vs. EN AC-71100 Aluminum

EN 1.6220 steel belongs to the iron alloys classification, while EN AC-71100 aluminum belongs to the aluminum alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, 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 1.6220 steel and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
110
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 23 to 25
1.1
Fatigue Strength, MPa 240 to 250
150
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 550 to 580
260
Tensile Strength: Yield (Proof), MPa 340
230

Thermal Properties

Latent Heat of Fusion, J/g 250
490
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
860
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
97

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.5
7.4
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 48
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 310
360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 19 to 20
25
Strength to Weight: Bending, points 19 to 20
31
Thermal Shock Resistance, points 16 to 17
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Carbon (C), % 0.17 to 0.23
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 96.7 to 98.8
0 to 0.3
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 1.0 to 1.6
0 to 0.15
Nickel (Ni), % 0 to 0.8
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.6
7.5 to 9.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
9.0 to 10.5
Residuals, % 0
0 to 0.15