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5088 Aluminum vs. EN 1.1170 Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.1170 steel belongs to the iron 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 5088 aluminum and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 29
16 to 17
Fatigue Strength, MPa 180
220 to 330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 200
390 to 450
Tensile Strength: Ultimate (UTS), MPa 310
640 to 730
Tensile Strength: Yield (Proof), MPa 150
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
50
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 98
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.1
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.5
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 170
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
23 to 26
Strength to Weight: Bending, points 38
21 to 23
Thermal Diffusivity, mm2/s 51
13
Thermal Shock Resistance, points 14
20 to 23

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Carbon (C), % 0
0.25 to 0.32
Chromium (Cr), % 0 to 0.15
0 to 0.4
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0.1 to 0.35
96.7 to 98.5
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0