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EN 1.4415 Stainless Steel vs. B390.0 Aluminum

EN 1.4415 stainless steel belongs to the iron alloys classification, while B390.0 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4415 stainless steel and the bottom bar is B390.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
76
Elongation at Break, % 17 to 20
0.88
Fatigue Strength, MPa 470 to 510
170
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
29
Tensile Strength: Ultimate (UTS), MPa 830 to 930
320
Tensile Strength: Yield (Proof), MPa 730 to 840
250

Thermal Properties

Latent Heat of Fusion, J/g 280
640
Maximum Temperature: Mechanical, °C 790
170
Melting Completion (Liquidus), °C 1460
580
Melting Onset (Solidus), °C 1420
580
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 19
130
Thermal Expansion, µm/m-K 9.9
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
88

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.9
2.8
Embodied Carbon, kg CO2/kg material 3.6
7.3
Embodied Energy, MJ/kg 51
130
Embodied Water, L/kg 120
940

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
2.6
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
410
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 29 to 33
32
Strength to Weight: Bending, points 25 to 27
38
Thermal Diffusivity, mm2/s 5.1
55
Thermal Shock Resistance, points 30 to 34
15

Alloy Composition

Aluminum (Al), % 0
72.7 to 79.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 75.9 to 82.4
0 to 1.3
Magnesium (Mg), % 0
0.45 to 0.65
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 4.5 to 6.5
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
16 to 18
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.010
0 to 0.1
Vanadium (V), % 0.1 to 0.5
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.2