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EN 1.8874 Steel vs. 5088 Aluminum

EN 1.8874 steel belongs to the iron alloys classification, while 5088 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 1.8874 steel and the bottom bar is 5088 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 19
29
Fatigue Strength, MPa 340
180
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
25
Shear Strength, MPa 410
200
Tensile Strength: Ultimate (UTS), MPa 660
310
Tensile Strength: Yield (Proof), MPa 500
150

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 420
200
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
29
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
98

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.8
9.0
Embodied Energy, MJ/kg 24
150
Embodied Water, L/kg 52
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
76
Resilience: Unit (Modulus of Resilience), kJ/m3 670
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 23
32
Strength to Weight: Bending, points 21
38
Thermal Diffusivity, mm2/s 10
51
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0
92.4 to 94.8
Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0
Chromium (Cr), % 0 to 1.0
0 to 0.15
Copper (Cu), % 0 to 0.3
0 to 0.25
Iron (Fe), % 93.6 to 100
0.1 to 0.35
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0 to 1.7
0.2 to 0.5
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 1.5
0
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0 to 0.2
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.080
0
Zinc (Zn), % 0
0.2 to 0.4
Zirconium (Zr), % 0 to 0.15
0 to 0.15
Residuals, % 0
0 to 0.15