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5657 Aluminum vs. Grade VDSiCrV Steel

5657 aluminum belongs to the aluminum alloys classification, while grade VDSiCrV steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 5657 aluminum and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 40 to 50
630
Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 150 to 200
2100

Thermal Properties

Latent Heat of Fusion, J/g 400
270
Maximum Temperature: Mechanical, °C 180
420
Melting Completion (Liquidus), °C 660
1440
Melting Onset (Solidus), °C 640
1400
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
47
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 54
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 180
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 8.4
1.9
Embodied Energy, MJ/kg 160
26
Embodied Water, L/kg 1200
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 15 to 20
75
Strength to Weight: Bending, points 23 to 28
47
Thermal Diffusivity, mm2/s 84
13
Thermal Shock Resistance, points 6.7 to 8.6
63

Alloy Composition

Aluminum (Al), % 98.5 to 99.4
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0 to 0.1
0 to 0.060
Gallium (Ga), % 0 to 0.030
0
Iron (Fe), % 0 to 0.1
96.1 to 97.8
Magnesium (Mg), % 0.6 to 1.0
0
Manganese (Mn), % 0 to 0.030
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.080
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0 to 0.050
0.1 to 0.25
Zinc (Zn), % 0 to 0.050
0
Residuals, % 0 to 0.050
0