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EN 1.4482 Stainless Steel vs. 2014 Aluminum

EN 1.4482 stainless steel belongs to the iron alloys classification, while 2014 aluminum belongs to the aluminum alloys. There are 30 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 1.4482 stainless steel and the bottom bar is 2014 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
72
Elongation at Break, % 34
1.5 to 16
Fatigue Strength, MPa 420 to 450
90 to 160
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
27
Shear Strength, MPa 510 to 530
130 to 290
Tensile Strength: Ultimate (UTS), MPa 770 to 800
190 to 500
Tensile Strength: Yield (Proof), MPa 530 to 570
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 980
210
Melting Completion (Liquidus), °C 1420
630
Melting Onset (Solidus), °C 1370
510
Specific Heat Capacity, J/kg-K 480
870
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 13
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
40
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 38
150
Embodied Water, L/kg 150
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 250
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 690 to 820
76 to 1330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 28 to 29
18 to 46
Strength to Weight: Bending, points 24 to 25
25 to 46
Thermal Diffusivity, mm2/s 4.0
58
Thermal Shock Resistance, points 21 to 22
8.4 to 22

Alloy Composition

Aluminum (Al), % 0
90.4 to 95
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 19.5 to 21.5
0 to 0.1
Copper (Cu), % 0 to 1.0
3.9 to 5.0
Iron (Fe), % 66.1 to 74.9
0 to 0.7
Magnesium (Mg), % 0
0.2 to 0.8
Manganese (Mn), % 4.0 to 6.0
0.4 to 1.2
Molybdenum (Mo), % 0.1 to 0.6
0
Nickel (Ni), % 1.5 to 3.5
0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0.5 to 1.2
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15