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380.0 Aluminum vs. S32520 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while S32520 stainless steel belongs to the iron alloys. There are 31 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 380.0 aluminum and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
270
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
28
Fatigue Strength, MPa 140
460
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 28
80
Shear Strength, MPa 190
560
Tensile Strength: Ultimate (UTS), MPa 320
860
Tensile Strength: Yield (Proof), MPa 160
630

Thermal Properties

Latent Heat of Fusion, J/g 510
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 22
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
20
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
4.0
Embodied Energy, MJ/kg 140
55
Embodied Water, L/kg 1040
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170
960
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
31
Strength to Weight: Bending, points 36
26
Thermal Diffusivity, mm2/s 40
4.1
Thermal Shock Resistance, points 14
24

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 3.0 to 4.0
0.5 to 2.0
Iron (Fe), % 0 to 2.0
57.3 to 66.8
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 7.5 to 9.5
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0