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EN 1.7323 Steel vs. 2095 Aluminum

EN 1.7323 steel belongs to the iron alloys classification, while 2095 aluminum belongs to the aluminum 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 EN 1.7323 steel and the bottom bar is 2095 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 480 to 1460
700

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 410
210
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
540
Specific Heat Capacity, J/kg-K 470
910
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
35
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
31
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 1.5
8.6
Embodied Energy, MJ/kg 20
160
Embodied Water, L/kg 50
1470

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
46
Strength to Weight: Axial, points 17 to 52
65
Strength to Weight: Bending, points 17 to 36
59
Thermal Diffusivity, mm2/s 12
49
Thermal Shock Resistance, points 14 to 43
31

Alloy Composition

Aluminum (Al), % 0
91.3 to 94.9
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.3 to 0.6
0
Copper (Cu), % 0 to 0.25
3.9 to 4.6
Iron (Fe), % 97.1 to 98.4
0 to 0.15
Lithium (Li), % 0
0.7 to 1.5
Magnesium (Mg), % 0
0.25 to 0.8
Manganese (Mn), % 0.7 to 1.0
0 to 0.25
Molybdenum (Mo), % 0.4 to 0.5
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.12
Silver (Ag), % 0
0.25 to 0.6
Sulfur (S), % 0.020 to 0.040
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0.040 to 0.18
Residuals, % 0
0 to 0.15