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EN 1.3956 Stainless Steel vs. 2014 Aluminum

EN 1.3956 stainless steel belongs to the iron alloys classification, while 2014 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.3956 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, % 27
1.5 to 16
Fatigue Strength, MPa 240
90 to 160
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 79
27
Tensile Strength: Ultimate (UTS), MPa 650
190 to 500
Tensile Strength: Yield (Proof), MPa 330
100 to 440

Thermal Properties

Latent Heat of Fusion, J/g 300
400
Maximum Temperature: Mechanical, °C 1080
210
Melting Completion (Liquidus), °C 1420
630
Melting Onset (Solidus), °C 1380
510
Specific Heat Capacity, J/kg-K 480
870
Thermal Expansion, µm/m-K 13
23

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
3.0
Embodied Carbon, kg CO2/kg material 4.8
8.1
Embodied Energy, MJ/kg 68
150
Embodied Water, L/kg 180
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
6.6 to 56
Resilience: Unit (Modulus of Resilience), kJ/m3 270
76 to 1330
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 23
18 to 46
Strength to Weight: Bending, points 21
25 to 46
Thermal Shock Resistance, points 18
8.4 to 22

Alloy Composition

Aluminum (Al), % 0
90.4 to 95
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 20.5 to 23.5
0 to 0.1
Copper (Cu), % 0
3.9 to 5.0
Iron (Fe), % 51.9 to 62.1
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), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
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
Vanadium (V), % 0.1 to 0.3
0
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15