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392.0 Aluminum vs. EN 1.4439 Stainless Steel

392.0 aluminum belongs to the aluminum alloys classification, while EN 1.4439 stainless steel belongs to the iron 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 392.0 aluminum and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.86
40
Fatigue Strength, MPa 190
270
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
79
Tensile Strength: Ultimate (UTS), MPa 290
680
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 670
290
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
14
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.5
4.5
Embodied Energy, MJ/kg 140
61
Embodied Water, L/kg 950
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
220
Resilience: Unit (Modulus of Resilience), kJ/m3 490
240
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 56
25
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 60
3.8
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 0 to 1.5
58.7 to 66.9
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.5
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 18 to 20
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0