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6023 Aluminum vs. EN 1.4762 Stainless Steel

6023 aluminum belongs to the aluminum alloys classification, while EN 1.4762 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 11
13
Fatigue Strength, MPa 120 to 130
180
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
78
Shear Strength, MPa 210 to 220
370
Tensile Strength: Ultimate (UTS), MPa 360
620
Tensile Strength: Yield (Proof), MPa 300 to 310
310

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
1150
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 580
1370
Specific Heat Capacity, J/kg-K 890
490
Thermal Conductivity, W/m-K 170
17
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 140
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 2.8
7.6
Embodied Carbon, kg CO2/kg material 8.3
2.5
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
67
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
26
Strength to Weight: Axial, points 35 to 36
23
Strength to Weight: Bending, points 40
21
Thermal Diffusivity, mm2/s 67
4.6
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 94 to 97.7
1.2 to 1.7
Bismuth (Bi), % 0.3 to 0.8
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0.2 to 0.5
0
Iron (Fe), % 0 to 0.5
69.7 to 75.1
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.6 to 1.4
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0.6 to 1.2
0
Residuals, % 0 to 0.15
0