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380.0 Aluminum vs. S28200 Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
260
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
45
Fatigue Strength, MPa 140
430
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
77
Shear Strength, MPa 190
610
Tensile Strength: Ultimate (UTS), MPa 320
870
Tensile Strength: Yield (Proof), MPa 160
460

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
900
Melting Completion (Liquidus), °C 590
1380
Melting Onset (Solidus), °C 540
1330
Specific Heat Capacity, J/kg-K 870
480
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 7.5
2.8
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 1040
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
330
Resilience: Unit (Modulus of Resilience), kJ/m3 170
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 48
26
Strength to Weight: Axial, points 31
32
Strength to Weight: Bending, points 36
27
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 3.0 to 4.0
0.75 to 1.3
Iron (Fe), % 0 to 2.0
57.7 to 64.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
17 to 19
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 7.5 to 9.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0