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A380.0 Aluminum vs. S13800 Stainless Steel

A380.0 aluminum belongs to the aluminum alloys classification, while S13800 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 3.3
11 to 18
Fatigue Strength, MPa 140
410 to 870
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 190
610 to 1030
Tensile Strength: Ultimate (UTS), MPa 290
980 to 1730
Tensile Strength: Yield (Proof), MPa 160
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
810
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 96
16
Thermal Expansion, µm/m-K 22
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.4
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 1040
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1090 to 5490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 28
35 to 61
Strength to Weight: Bending, points 34
28 to 41
Thermal Diffusivity, mm2/s 38
4.3
Thermal Shock Resistance, points 13
33 to 58

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0.9 to 1.4
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
12.3 to 13.2
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
73.6 to 77.3
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 0.2
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
7.5 to 8.5
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 7.5 to 9.5
0 to 0.1
Sulfur (S), % 0
0 to 0.0080
Tin (Sn), % 0 to 0.35
0
Zinc (Zn), % 0 to 3.0
0
Residuals, % 0 to 0.5
0