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B535.0 Aluminum vs. EN 1.4401 Stainless Steel

B535.0 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 B535.0 aluminum and the bottom bar is EN 1.4401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 10
14 to 40
Fatigue Strength, MPa 62
200 to 320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
78
Shear Strength, MPa 210
410 to 550
Tensile Strength: Ultimate (UTS), MPa 260
600 to 900
Tensile Strength: Yield (Proof), MPa 130
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 170
950
Melting Completion (Liquidus), °C 630
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 96
15
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
19
Density, g/cm3 2.6
7.9
Embodied Carbon, kg CO2/kg material 9.4
3.8
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 130
130 to 800
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 28
21 to 32
Strength to Weight: Bending, points 35
20 to 26
Thermal Diffusivity, mm2/s 40
4.0
Thermal Shock Resistance, points 11
13 to 20

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.15
62.8 to 71.5
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
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 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0