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6023 Aluminum vs. EN 1.1170 Steel

6023 aluminum belongs to the aluminum alloys classification, while EN 1.1170 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 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 11
16 to 17
Fatigue Strength, MPa 120 to 130
220 to 330
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 210 to 220
390 to 450
Tensile Strength: Ultimate (UTS), MPa 360
640 to 730
Tensile Strength: Yield (Proof), MPa 300 to 310
330 to 500

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
50
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
2.1
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.5
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 49
24
Strength to Weight: Axial, points 35 to 36
23 to 26
Strength to Weight: Bending, points 40
21 to 23
Thermal Diffusivity, mm2/s 67
13
Thermal Shock Resistance, points 16
20 to 23

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Carbon (C), % 0
0.25 to 0.32
Chromium (Cr), % 0
0 to 0.4
Copper (Cu), % 0.2 to 0.5
0
Iron (Fe), % 0 to 0.5
96.7 to 98.5
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.6 to 1.4
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 0.6 to 1.2
0
Residuals, % 0 to 0.15
0