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EN 1.4310 Stainless Steel vs. 5083 Aluminum

EN 1.4310 stainless steel belongs to the iron alloys classification, while 5083 aluminum belongs to the aluminum alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 1.4310 stainless steel and the bottom bar is 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
75 to 110
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 14 to 45
1.1 to 17
Fatigue Strength, MPa 240 to 330
93 to 190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 510 to 550
170 to 220
Tensile Strength: Ultimate (UTS), MPa 730 to 900
290 to 390
Tensile Strength: Yield (Proof), MPa 260 to 570
110 to 340

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Corrosion, °C 410
65
Maximum Temperature: Mechanical, °C 910
190
Melting Completion (Liquidus), °C 1420
640
Melting Onset (Solidus), °C 1380
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 18
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
96

Otherwise Unclassified Properties

Base Metal Price, % relative 14
9.5
Density, g/cm3 7.8
2.7
Embodied Carbon, kg CO2/kg material 2.9
8.9
Embodied Energy, MJ/kg 42
150
Embodied Water, L/kg 140
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
95 to 860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 26 to 32
29 to 40
Strength to Weight: Bending, points 23 to 27
36 to 44
Thermal Diffusivity, mm2/s 4.0
48
Thermal Shock Resistance, points 15 to 18
12 to 17

Alloy Composition

Aluminum (Al), % 0
92.4 to 95.6
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 16 to 19
0.050 to 0.25
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 66.4 to 78
0 to 0.4
Magnesium (Mg), % 0
4.0 to 4.9
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15