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A380.0 Aluminum vs. AISI 205 Stainless Steel

A380.0 aluminum belongs to the aluminum alloys classification, while AISI 205 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 A380.0 aluminum and the bottom bar is AISI 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
210 to 440
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 3.3
11 to 51
Fatigue Strength, MPa 140
410 to 640
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 190
560 to 850
Tensile Strength: Ultimate (UTS), MPa 290
800 to 1430
Tensile Strength: Yield (Proof), MPa 160
450 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 590
1380
Melting Onset (Solidus), °C 550
1340
Specific Heat Capacity, J/kg-K 870
480
Thermal Expansion, µm/m-K 22
18

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 2.9
7.6
Embodied Carbon, kg CO2/kg material 7.5
2.6
Embodied Energy, MJ/kg 140
37
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
150 to 430
Resilience: Unit (Modulus of Resilience), kJ/m3 180
510 to 3060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
26
Strength to Weight: Axial, points 28
29 to 52
Strength to Weight: Bending, points 34
25 to 37
Thermal Shock Resistance, points 13
16 to 29

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0.12 to 0.25
Chromium (Cr), % 0
16.5 to 18.5
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
62.6 to 68.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
14 to 15.5
Nickel (Ni), % 0 to 0.5
1.0 to 1.7
Nitrogen (N), % 0
0.32 to 0.4
Phosphorus (P), % 0
0 to 0.060
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