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319.0 Aluminum vs. AISI 201L Stainless Steel

319.0 aluminum belongs to the aluminum alloys classification, while AISI 201L stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 319.0 aluminum and the bottom bar is AISI 201L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 78 to 84
190 to 320
Elastic (Young's, Tensile) Modulus, GPa 72
200
Elongation at Break, % 1.8 to 2.0
22 to 46
Fatigue Strength, MPa 76 to 80
270 to 530
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
77
Shear Strength, MPa 170 to 210
520 to 660
Tensile Strength: Ultimate (UTS), MPa 190 to 240
740 to 1040
Tensile Strength: Yield (Proof), MPa 110 to 180
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 480
280
Maximum Temperature: Mechanical, °C 170
880
Melting Completion (Liquidus), °C 600
1410
Melting Onset (Solidus), °C 540
1370
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 110
15
Thermal Expansion, µm/m-K 22
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 84
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 7.7
2.6
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 1080
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.3 to 3.9
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 88 to 220
220 to 1570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 18 to 24
27 to 37
Strength to Weight: Bending, points 25 to 30
24 to 30
Thermal Diffusivity, mm2/s 44
4.0
Thermal Shock Resistance, points 8.6 to 11
16 to 23

Alloy Composition

Aluminum (Al), % 85.8 to 91.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 0 to 1.0
67.9 to 75
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
5.5 to 7.5
Nickel (Ni), % 0 to 0.35
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 5.5 to 6.5
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0