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5026 Aluminum vs. EN 1.4646 Stainless Steel

5026 aluminum belongs to the aluminum alloys classification, while EN 1.4646 stainless steel belongs to the iron alloys. There are 26 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 5026 aluminum and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 5.1 to 11
34
Fatigue Strength, MPa 94 to 140
340
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 150 to 180
500
Tensile Strength: Ultimate (UTS), MPa 260 to 320
750
Tensile Strength: Yield (Proof), MPa 120 to 250
430

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 210
910
Melting Completion (Liquidus), °C 650
1390
Melting Onset (Solidus), °C 510
1340
Specific Heat Capacity, J/kg-K 890
480
Thermal Expansion, µm/m-K 23
17

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.8
7.7
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 1150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 29
220
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 440
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 26 to 32
27
Strength to Weight: Bending, points 33 to 37
24
Thermal Shock Resistance, points 11 to 14
16

Alloy Composition

Aluminum (Al), % 88.2 to 94.7
0
Carbon (C), % 0
0.020 to 0.1
Chromium (Cr), % 0 to 0.3
17 to 19
Copper (Cu), % 0.1 to 0.8
1.5 to 3.0
Iron (Fe), % 0.2 to 1.0
59 to 67.3
Magnesium (Mg), % 3.9 to 4.9
0
Manganese (Mn), % 0.6 to 1.8
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0.55 to 1.4
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 1.0
0
Zirconium (Zr), % 0 to 0.3
0
Residuals, % 0 to 0.15
0