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2014 Aluminum vs. EN 1.4805 Stainless Steel

2014 aluminum belongs to the aluminum alloys classification, while EN 1.4805 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 2014 aluminum and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.5 to 16
9.0
Fatigue Strength, MPa 90 to 160
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Tensile Strength: Ultimate (UTS), MPa 190 to 500
490
Tensile Strength: Yield (Proof), MPa 100 to 440
250

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 210
1000
Melting Completion (Liquidus), °C 630
1390
Melting Onset (Solidus), °C 510
1350
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 150
14
Thermal Expansion, µm/m-K 23
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
26
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.1
4.7
Embodied Energy, MJ/kg 150
66
Embodied Water, L/kg 1130
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6 to 56
37
Resilience: Unit (Modulus of Resilience), kJ/m3 76 to 1330
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 18 to 46
17
Strength to Weight: Bending, points 25 to 46
18
Thermal Diffusivity, mm2/s 58
3.7
Thermal Shock Resistance, points 8.4 to 22
11

Alloy Composition

Aluminum (Al), % 90.4 to 95
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0 to 0.1
19 to 23
Copper (Cu), % 3.9 to 5.0
0
Iron (Fe), % 0 to 0.7
44.9 to 56.8
Magnesium (Mg), % 0.2 to 0.8
0
Manganese (Mn), % 0.4 to 1.2
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 1.2
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0