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EN 1.4630 Stainless Steel vs. 5050 Aluminum

EN 1.4630 stainless steel belongs to the iron alloys classification, while 5050 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 1.4630 stainless steel and the bottom bar is 5050 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
68
Elongation at Break, % 23
1.7 to 22
Fatigue Strength, MPa 170
45 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 300
91 to 140
Tensile Strength: Ultimate (UTS), MPa 480
140 to 250
Tensile Strength: Yield (Proof), MPa 250
50 to 210

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 800
180
Melting Completion (Liquidus), °C 1440
650
Melting Onset (Solidus), °C 1390
630
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 28
190
Thermal Expansion, µm/m-K 10
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
50
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
170

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.5
8.4
Embodied Energy, MJ/kg 36
150
Embodied Water, L/kg 120
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
4.1 to 24
Resilience: Unit (Modulus of Resilience), kJ/m3 160
18 to 330
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 17
15 to 26
Strength to Weight: Bending, points 18
22 to 33
Thermal Diffusivity, mm2/s 7.5
79
Thermal Shock Resistance, points 17
6.3 to 11

Alloy Composition

Aluminum (Al), % 0 to 1.5
96.3 to 98.9
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 13 to 16
0 to 0.1
Copper (Cu), % 0 to 0.5
0 to 0.2
Iron (Fe), % 77.1 to 86.7
0 to 0.7
Magnesium (Mg), % 0
1.1 to 1.8
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0.2 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.8
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15