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392.0 Aluminum vs. S44635 Stainless Steel

392.0 aluminum belongs to the aluminum alloys classification, while S44635 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 S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
210
Elongation at Break, % 0.86
23
Fatigue Strength, MPa 190
390
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
81
Tensile Strength: Ultimate (UTS), MPa 290
710
Tensile Strength: Yield (Proof), MPa 270
580

Thermal Properties

Latent Heat of Fusion, J/g 670
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 670
1460
Melting Onset (Solidus), °C 580
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
16
Thermal Expansion, µm/m-K 19
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
22
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.5
4.4
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 950
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
150
Resilience: Unit (Modulus of Resilience), kJ/m3 490
810
Stiffness to Weight: Axial, points 17
15
Stiffness to Weight: Bending, points 56
25
Strength to Weight: Axial, points 32
25
Strength to Weight: Bending, points 39
23
Thermal Diffusivity, mm2/s 60
4.4
Thermal Shock Resistance, points 15
23

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24.5 to 26
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 0 to 1.5
61.5 to 68.5
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.5
3.5 to 4.5
Niobium (Nb), % 0
0.2 to 0.8
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 18 to 20
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0 to 0.2
0.2 to 0.8
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0