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392.0 Aluminum vs. S30815 Stainless Steel

392.0 aluminum belongs to the aluminum alloys classification, while S30815 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 75
200
Elongation at Break, % 0.86
45
Fatigue Strength, MPa 190
320
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Tensile Strength: Ultimate (UTS), MPa 290
680
Tensile Strength: Yield (Proof), MPa 270
350

Thermal Properties

Latent Heat of Fusion, J/g 670
310
Maximum Temperature: Mechanical, °C 170
1020
Melting Completion (Liquidus), °C 670
1400
Melting Onset (Solidus), °C 580
1360
Specific Heat Capacity, J/kg-K 900
490
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 2.5
7.7
Embodied Carbon, kg CO2/kg material 7.5
3.3
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 950
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.4
260
Resilience: Unit (Modulus of Resilience), kJ/m3 490
310
Stiffness to Weight: Axial, points 17
14
Stiffness to Weight: Bending, points 56
25
Strength to Weight: Axial, points 32
25
Strength to Weight: Bending, points 39
22
Thermal Diffusivity, mm2/s 60
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 73.9 to 80.6
0
Carbon (C), % 0
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0.4 to 0.8
0
Iron (Fe), % 0 to 1.5
62.8 to 68.4
Magnesium (Mg), % 0.8 to 1.2
0
Manganese (Mn), % 0.2 to 0.6
0 to 0.8
Nickel (Ni), % 0 to 0.5
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 18 to 20
1.4 to 2.0
Sulfur (S), % 0
0 to 0.030
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