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EN 1.4405 Stainless Steel vs. B535.0 Aluminum

EN 1.4405 stainless steel belongs to the iron alloys classification, while B535.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4405 stainless steel and the bottom bar is B535.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
66
Elongation at Break, % 17
10
Fatigue Strength, MPa 370
62
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
25
Tensile Strength: Ultimate (UTS), MPa 860
260
Tensile Strength: Yield (Proof), MPa 610
130

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 870
170
Melting Completion (Liquidus), °C 1450
630
Melting Onset (Solidus), °C 1400
550
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 17
96
Thermal Expansion, µm/m-K 11
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
82

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
2.6
Embodied Carbon, kg CO2/kg material 2.8
9.4
Embodied Energy, MJ/kg 39
160
Embodied Water, L/kg 130
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
22
Resilience: Unit (Modulus of Resilience), kJ/m3 950
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 31
28
Strength to Weight: Bending, points 26
35
Thermal Diffusivity, mm2/s 4.6
40
Thermal Shock Resistance, points 29
11

Alloy Composition

Aluminum (Al), % 0
91.7 to 93.4
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 15 to 17
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 73.6 to 80.3
0 to 0.15
Magnesium (Mg), % 0
6.5 to 7.5
Manganese (Mn), % 0 to 1.0
0 to 0.050
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
0 to 0.15
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.1 to 0.25
Residuals, % 0
0 to 0.15