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380.0 Aluminum vs. S36200 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while S36200 stainless steel belongs to the iron alloys. There are 30 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 S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 74
190
Elongation at Break, % 3.0
3.4 to 4.6
Fatigue Strength, MPa 140
450 to 570
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
76
Shear Strength, MPa 190
680 to 810
Tensile Strength: Ultimate (UTS), MPa 320
1180 to 1410
Tensile Strength: Yield (Proof), MPa 160
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
820
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
16
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.8
Embodied Energy, MJ/kg 140
40
Embodied Water, L/kg 1040
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 170
2380 to 3930
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
42 to 50
Strength to Weight: Bending, points 36
32 to 36
Thermal Diffusivity, mm2/s 40
4.3
Thermal Shock Resistance, points 14
40 to 48

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0 to 0.1
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
14 to 14.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
75.4 to 79.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0 to 0.5
6.5 to 7.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 7.5 to 9.5
0 to 0.3
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Titanium (Ti), % 0
0.6 to 0.9
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0