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380.0 Aluminum vs. AISI 316N Stainless Steel

380.0 aluminum belongs to the aluminum alloys classification, while AISI 316N stainless steel belongs to the iron alloys. There are 31 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 380.0 aluminum and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 74
200
Elongation at Break, % 3.0
9.0 to 39
Fatigue Strength, MPa 140
230 to 450
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 28
78
Shear Strength, MPa 190
420 to 690
Tensile Strength: Ultimate (UTS), MPa 320
620 to 1160
Tensile Strength: Yield (Proof), MPa 160
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 510
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 100
15
Thermal Expansion, µm/m-K 22
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 83
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
19
Density, g/cm3 2.9
7.9
Embodied Carbon, kg CO2/kg material 7.5
3.9
Embodied Energy, MJ/kg 140
53
Embodied Water, L/kg 1040
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 170
180 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 31
22 to 41
Strength to Weight: Bending, points 36
20 to 31
Thermal Diffusivity, mm2/s 40
4.1
Thermal Shock Resistance, points 14
14 to 26

Alloy Composition

Aluminum (Al), % 79.6 to 89.5
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 2.0
61.9 to 71.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
10 to 14
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 7.5 to 9.5
0 to 0.75
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