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A206.0 Aluminum vs. AISI 316N Stainless Steel

A206.0 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 A206.0 aluminum and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 110
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 4.2 to 10
9.0 to 39
Fatigue Strength, MPa 90 to 180
230 to 450
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 260
420 to 690
Tensile Strength: Ultimate (UTS), MPa 390 to 440
620 to 1160
Tensile Strength: Yield (Proof), MPa 250 to 380
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 170
940
Melting Completion (Liquidus), °C 670
1440
Melting Onset (Solidus), °C 550
1400
Specific Heat Capacity, J/kg-K 880
470
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 90
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 3.0
7.9
Embodied Carbon, kg CO2/kg material 8.0
3.9
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 16 to 37
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1000
180 to 1880
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 46
25
Strength to Weight: Axial, points 36 to 41
22 to 41
Strength to Weight: Bending, points 39 to 43
20 to 31
Thermal Diffusivity, mm2/s 48
4.1
Thermal Shock Resistance, points 17 to 19
14 to 26

Alloy Composition

Aluminum (Al), % 93.9 to 95.7
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 4.2 to 5.0
0
Iron (Fe), % 0 to 0.1
61.9 to 71.9
Magnesium (Mg), % 0 to 0.15
0
Manganese (Mn), % 0 to 0.2
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.050
10 to 14
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.050
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0