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EN 1.5501 Steel vs. 2219 Aluminum

EN 1.5501 steel belongs to the iron alloys classification, while 2219 aluminum belongs to the aluminum alloys. There are 30 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 EN 1.5501 steel and the bottom bar is 2219 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
72
Elongation at Break, % 12 to 17
2.2 to 20
Fatigue Strength, MPa 180 to 270
90 to 130
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Shear Strength, MPa 270 to 310
110 to 280
Tensile Strength: Ultimate (UTS), MPa 390 to 510
180 to 480
Tensile Strength: Yield (Proof), MPa 260 to 420
88 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
230
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 52
110 to 170
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
28 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
81 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
11
Density, g/cm3 7.9
3.1
Embodied Carbon, kg CO2/kg material 1.4
8.2
Embodied Energy, MJ/kg 18
150
Embodied Water, L/kg 46
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
9.6 to 60
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
54 to 1060
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
44
Strength to Weight: Axial, points 14 to 18
16 to 43
Strength to Weight: Bending, points 15 to 18
23 to 44
Thermal Diffusivity, mm2/s 14
42 to 63
Thermal Shock Resistance, points 11 to 15
8.2 to 22

Alloy Composition

Aluminum (Al), % 0
91.5 to 93.8
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0
Copper (Cu), % 0 to 0.25
5.8 to 6.8
Iron (Fe), % 98.4 to 99.269
0 to 0.3
Magnesium (Mg), % 0
0 to 0.020
Manganese (Mn), % 0.6 to 0.8
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.2
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.020 to 0.1
Vanadium (V), % 0
0.050 to 0.15
Zinc (Zn), % 0
0 to 0.1
Zirconium (Zr), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15