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EN 1.5503 Steel vs. EN AC-71100 Aluminum

EN 1.5503 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 (4, 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 1.5503 steel and the bottom bar is EN AC-71100 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
110
Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 12 to 17
1.1
Fatigue Strength, MPa 180 to 280
150
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 400 to 520
260
Tensile Strength: Yield (Proof), MPa 270 to 430
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 7.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
97

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
2.9
Embodied Carbon, kg CO2/kg material 1.4
7.4
Embodied Energy, MJ/kg 18
140
Embodied Water, L/kg 46
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
2.8
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 14 to 19
25
Strength to Weight: Bending, points 15 to 18
31
Thermal Shock Resistance, points 12 to 15
12

Alloy Composition

Aluminum (Al), % 0
78.7 to 83.3
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 98.4 to 99.239
0 to 0.3
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0.6 to 0.8
0 to 0.15
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
7.5 to 9.5
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
9.0 to 10.5
Residuals, % 0
0 to 0.15