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6023 Aluminum vs. EN 1.0456 Steel

6023 aluminum belongs to the aluminum alloys classification, while EN 1.0456 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 6023 aluminum and the bottom bar is EN 1.0456 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 11
24 to 26
Fatigue Strength, MPa 120 to 130
210 to 220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 210 to 220
270 to 280
Tensile Strength: Ultimate (UTS), MPa 360
420 to 450
Tensile Strength: Yield (Proof), MPa 300 to 310
290 to 300

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 890
470
Thermal Conductivity, W/m-K 170
48
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 140
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.2
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
93 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
220 to 230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 35 to 36
15 to 16
Strength to Weight: Bending, points 40
16 to 17
Thermal Diffusivity, mm2/s 67
13
Thermal Shock Resistance, points 16
13 to 14

Alloy Composition

Aluminum (Al), % 94 to 97.7
0.020 to 0.060
Bismuth (Bi), % 0.3 to 0.8
0
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0.2 to 0.5
0 to 0.35
Iron (Fe), % 0 to 0.5
96.7 to 99.48
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0.5 to 1.4
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.6 to 1.4
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.6 to 1.2
0
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Residuals, % 0 to 0.15
0