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5005A Aluminum vs. EN 1.4401 Stainless Steel

5005A aluminum belongs to the aluminum alloys classification, while EN 1.4401 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 5005A aluminum and the bottom bar is EN 1.4401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 29 to 64
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 21
14 to 40
Fatigue Strength, MPa 38 to 82
200 to 320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 71 to 130
410 to 550
Tensile Strength: Ultimate (UTS), MPa 110 to 230
600 to 900
Tensile Strength: Yield (Proof), MPa 43 to 210
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 180
950
Melting Completion (Liquidus), °C 660
1440
Melting Onset (Solidus), °C 630
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 200
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.3
3.8
Embodied Energy, MJ/kg 150
52
Embodied Water, L/kg 1190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0 to 19
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 14 to 310
130 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 12 to 24
21 to 32
Strength to Weight: Bending, points 19 to 31
20 to 26
Thermal Diffusivity, mm2/s 82
4.0
Thermal Shock Resistance, points 5.0 to 10
13 to 20

Alloy Composition

Aluminum (Al), % 97.5 to 99.3
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.1
16.5 to 18.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.45
62.8 to 71.5
Magnesium (Mg), % 0.7 to 1.1
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.15
0

Comparable Variants