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5086 Aluminum vs. EN 1.3975 Stainless Steel

5086 aluminum belongs to the aluminum alloys classification, while EN 1.3975 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 5086 aluminum and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65 to 100
190
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.7 to 20
27
Fatigue Strength, MPa 88 to 180
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 270 to 390
660
Tensile Strength: Yield (Proof), MPa 110 to 320
320

Thermal Properties

Latent Heat of Fusion, J/g 400
340
Maximum Temperature: Corrosion, °C 65
410
Maximum Temperature: Mechanical, °C 190
910
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 590
1320
Specific Heat Capacity, J/kg-K 900
500
Thermal Expansion, µm/m-K 24
16

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.5
Embodied Carbon, kg CO2/kg material 8.8
3.3
Embodied Energy, MJ/kg 150
47
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 5.8 to 42
150
Resilience: Unit (Modulus of Resilience), kJ/m3 86 to 770
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
26
Strength to Weight: Axial, points 28 to 40
24
Strength to Weight: Bending, points 34 to 44
22
Thermal Shock Resistance, points 12 to 17
15

Alloy Composition

Aluminum (Al), % 93 to 96.3
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0.050 to 0.25
16 to 18
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
58.2 to 65.4
Magnesium (Mg), % 3.5 to 4.5
0
Manganese (Mn), % 0.2 to 0.7
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.4
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0