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EN 1.4905 Stainless Steel vs. 5083 Aluminum

EN 1.4905 stainless steel belongs to the iron alloys classification, while 5083 aluminum belongs to the aluminum alloys. There are 31 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 1.4905 stainless steel and the bottom bar is 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 19
1.1 to 17
Fatigue Strength, MPa 330
93 to 190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 460
170 to 220
Tensile Strength: Ultimate (UTS), MPa 740
290 to 390
Tensile Strength: Yield (Proof), MPa 510
110 to 340

Thermal Properties

Latent Heat of Fusion, J/g 270
400
Maximum Temperature: Corrosion, °C 380
65
Maximum Temperature: Mechanical, °C 660
190
Melting Completion (Liquidus), °C 1480
640
Melting Onset (Solidus), °C 1440
580
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 11
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
29
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
96

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 2.8
8.9
Embodied Energy, MJ/kg 40
150
Embodied Water, L/kg 90
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 680
95 to 860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 26
29 to 40
Strength to Weight: Bending, points 23
36 to 44
Thermal Diffusivity, mm2/s 7.0
48
Thermal Shock Resistance, points 25
12 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.040
92.4 to 95.6
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0
Chromium (Cr), % 8.5 to 9.5
0.050 to 0.25
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 86.2 to 88.8
0 to 0.4
Magnesium (Mg), % 0
4.0 to 4.9
Manganese (Mn), % 0.3 to 0.6
0.4 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.15
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15