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5088 Aluminum vs. Grade VDSiCrV Steel

5088 aluminum belongs to the aluminum alloys classification, while grade VDSiCrV steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
80
Tensile Strength: Ultimate (UTS), MPa 310
2100

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 120
47
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 98
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 9.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1180
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32
75
Strength to Weight: Bending, points 38
47
Thermal Diffusivity, mm2/s 51
13
Thermal Shock Resistance, points 14
63

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0 to 0.15
0.5 to 1.0
Copper (Cu), % 0 to 0.25
0 to 0.060
Iron (Fe), % 0.1 to 0.35
96.1 to 97.8
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0