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S28200 Stainless Steel vs. A380.0 Aluminum

S28200 stainless steel belongs to the iron alloys classification, while A380.0 aluminum belongs to the aluminum alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S28200 stainless steel and the bottom bar is A380.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
80
Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 45
3.3
Fatigue Strength, MPa 430
140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
27
Shear Strength, MPa 610
190
Tensile Strength: Ultimate (UTS), MPa 870
290
Tensile Strength: Yield (Proof), MPa 460
160

Thermal Properties

Latent Heat of Fusion, J/g 290
510
Maximum Temperature: Mechanical, °C 900
170
Melting Completion (Liquidus), °C 1380
590
Melting Onset (Solidus), °C 1330
550
Specific Heat Capacity, J/kg-K 480
870
Thermal Expansion, µm/m-K 18
22

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.6
2.9
Embodied Carbon, kg CO2/kg material 2.8
7.5
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 160
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
8.3
Resilience: Unit (Modulus of Resilience), kJ/m3 540
180
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
48
Strength to Weight: Axial, points 32
28
Strength to Weight: Bending, points 27
34
Thermal Shock Resistance, points 17
13

Alloy Composition

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