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EN AC-42100 Aluminum vs. Grade VDSiCrV Steel

EN AC-42100 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 (6, 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 AC-42100 aluminum and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 91
630
Elastic (Young's, Tensile) Modulus, GPa 70
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 280 to 290
2100

Thermal Properties

Latent Heat of Fusion, J/g 500
270
Maximum Temperature: Mechanical, °C 170
420
Melting Completion (Liquidus), °C 610
1440
Melting Onset (Solidus), °C 600
1400
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 8.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1110
50

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 53
25
Strength to Weight: Axial, points 30 to 31
75
Strength to Weight: Bending, points 37 to 38
47
Thermal Diffusivity, mm2/s 66
13
Thermal Shock Resistance, points 13
63

Alloy Composition

Aluminum (Al), % 91.3 to 93.3
0
Carbon (C), % 0
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0 to 0.050
0 to 0.060
Iron (Fe), % 0 to 0.19
96.1 to 97.8
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 6.5 to 7.5
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.25
0
Vanadium (V), % 0
0.1 to 0.25
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0