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518.0 Aluminum vs. EN 1.4806 Stainless Steel

518.0 aluminum belongs to the aluminum alloys classification, while EN 1.4806 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 518.0 aluminum and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
140
Elastic (Young's, Tensile) Modulus, GPa 67
190
Elongation at Break, % 5.0
6.8
Fatigue Strength, MPa 140
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
75
Tensile Strength: Ultimate (UTS), MPa 310
470
Tensile Strength: Yield (Proof), MPa 190
250

Thermal Properties

Latent Heat of Fusion, J/g 390
320
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 620
1380
Melting Onset (Solidus), °C 560
1340
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 98
12
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 81
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 9.4
5.4
Embodied Energy, MJ/kg 150
76
Embodied Water, L/kg 1160
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 14
27
Resilience: Unit (Modulus of Resilience), kJ/m3 270
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 32
16
Strength to Weight: Bending, points 38
17
Thermal Diffusivity, mm2/s 40
3.1
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 88.1 to 92.5
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 1.8
40.4 to 48.7
Magnesium (Mg), % 7.5 to 8.5
0
Manganese (Mn), % 0 to 0.35
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.15
34 to 36
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.35
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.25
0