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EN 1.4517 Stainless Steel vs. 5383 Aluminum

EN 1.4517 stainless steel belongs to the iron alloys classification, while 5383 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.4517 stainless steel and the bottom bar is 5383 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 25
6.7 to 15
Fatigue Strength, MPa 380
130 to 200
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 730
310 to 370
Tensile Strength: Yield (Proof), MPa 550
150 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
390
Maximum Temperature: Corrosion, °C 450
65
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1430
650
Melting Onset (Solidus), °C 1390
540
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 17
130
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
97

Otherwise Unclassified Properties

Base Metal Price, % relative 20
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 3.8
9.0
Embodied Energy, MJ/kg 53
160
Embodied Water, L/kg 180
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
23 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 740
170 to 690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 26
32 to 38
Strength to Weight: Bending, points 23
38 to 42
Thermal Diffusivity, mm2/s 4.6
51
Thermal Shock Resistance, points 20
14 to 16

Alloy Composition

Aluminum (Al), % 0
92 to 95.3
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24.5 to 26.5
0 to 0.25
Copper (Cu), % 2.8 to 3.5
0 to 0.2
Iron (Fe), % 56.7 to 65.1
0 to 0.25
Magnesium (Mg), % 0
4.0 to 5.2
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.25
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.4
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15