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EN 1.4446 Stainless Steel vs. 5010 Aluminum

EN 1.4446 stainless steel belongs to the iron alloys classification, while 5010 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 1.4446 stainless steel and the bottom bar is 5010 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
27 to 62
Elastic (Young's, Tensile) Modulus, GPa 200
69
Elongation at Break, % 23
1.1 to 23
Fatigue Strength, MPa 160
35 to 83
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
26
Tensile Strength: Ultimate (UTS), MPa 490
100 to 210
Tensile Strength: Yield (Proof), MPa 240
38 to 190

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 980
180
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
630
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 14
200
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
45
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
150

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 4.5
8.2
Embodied Energy, MJ/kg 60
150
Embodied Water, L/kg 160
1190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
2.3 to 20
Resilience: Unit (Modulus of Resilience), kJ/m3 140
10 to 270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 17
10 to 22
Strength to Weight: Bending, points 17
18 to 29
Thermal Diffusivity, mm2/s 3.6
82
Thermal Shock Resistance, points 11
4.5 to 9.4

Alloy Composition

Aluminum (Al), % 0
97.1 to 99.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16.5 to 18.5
0 to 0.15
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.7 to 66.9
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.5
0.1 to 0.3
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15