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A380.0 Aluminum vs. AISI 301 Stainless Steel

A380.0 aluminum belongs to the aluminum alloys classification, while AISI 301 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 73
200
Elongation at Break, % 3.3
7.4 to 46
Fatigue Strength, MPa 140
210 to 600
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 190
410 to 860
Tensile Strength: Ultimate (UTS), MPa 290
590 to 1460
Tensile Strength: Yield (Proof), MPa 160
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 510
280
Maximum Temperature: Mechanical, °C 170
840
Melting Completion (Liquidus), °C 590
1420
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 96
16
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 78
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Calomel Potential, mV -710
-70
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 7.5
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 1040
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.3
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 180
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 28
21 to 52
Strength to Weight: Bending, points 34
20 to 37
Thermal Diffusivity, mm2/s 38
4.2
Thermal Shock Resistance, points 13
12 to 31

Alloy Composition

Aluminum (Al), % 80.3 to 89.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.3
70.7 to 78
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
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