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EN 1.4587 Stainless Steel vs. 5019 Aluminum

EN 1.4587 stainless steel belongs to the iron alloys classification, while 5019 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 EN 1.4587 stainless steel and the bottom bar is 5019 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 34
2.2 to 18
Fatigue Strength, MPa 200
100 to 160
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 540
280 to 360
Tensile Strength: Yield (Proof), MPa 250
120 to 300

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1370
540
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 17
130
Thermal Expansion, µm/m-K 15
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
98

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 6.3
9.0
Embodied Energy, MJ/kg 87
150
Embodied Water, L/kg 230
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
7.6 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 150
110 to 650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
51
Strength to Weight: Axial, points 18
29 to 38
Strength to Weight: Bending, points 18
35 to 42
Thermal Diffusivity, mm2/s 4.5
52
Thermal Shock Resistance, points 13
13 to 16

Alloy Composition

Aluminum (Al), % 0
91.5 to 95.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0 to 0.2
Copper (Cu), % 2.0 to 3.0
0 to 0.1
Iron (Fe), % 32.7 to 41.9
0 to 0.5
Magnesium (Mg), % 0
4.5 to 5.6
Manganese (Mn), % 0 to 2.0
0.1 to 0.6
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 28 to 30
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15