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5005 Aluminum vs. AISI 201LN Stainless Steel

5005 aluminum belongs to the aluminum alloys classification, while AISI 201LN 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 5005 aluminum and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 28 to 64
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 1.1 to 23
25 to 51
Fatigue Strength, MPa 38 to 86
340 to 540
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Shear Strength, MPa 70 to 130
530 to 680
Tensile Strength: Ultimate (UTS), MPa 110 to 230
740 to 1060
Tensile Strength: Yield (Proof), MPa 41 to 210
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 180
880
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 630
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 200
15
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 52
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 170
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.3
2.6
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 1190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.3 to 22
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 12 to 320
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 23
27 to 38
Strength to Weight: Bending, points 19 to 31
24 to 30
Thermal Diffusivity, mm2/s 82
4.0
Thermal Shock Resistance, points 4.9 to 10
16 to 23

Alloy Composition

Aluminum (Al), % 97 to 99.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
16 to 17.5
Copper (Cu), % 0 to 0.2
0 to 1.0
Iron (Fe), % 0 to 0.7
67.9 to 73.5
Magnesium (Mg), % 0.5 to 1.1
0
Manganese (Mn), % 0 to 0.2
6.4 to 7.5
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0

Comparable Variants