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AISI 201LN Stainless Steel vs. 6005 Aluminum

AISI 201LN stainless steel belongs to the iron alloys classification, while 6005 aluminum belongs to the aluminum 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 AISI 201LN stainless steel and the bottom bar is 6005 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
90 to 95
Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 25 to 51
9.5 to 17
Fatigue Strength, MPa 340 to 540
55 to 95
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
26
Shear Strength, MPa 530 to 680
120 to 210
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
190 to 310
Tensile Strength: Yield (Proof), MPa 350 to 770
100 to 280

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 880
160
Melting Completion (Liquidus), °C 1410
650
Melting Onset (Solidus), °C 1370
610
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
180 to 200
Thermal Expansion, µm/m-K 17
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
54
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
180

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 2.6
8.3
Embodied Energy, MJ/kg 38
150
Embodied Water, L/kg 140
1180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
27 to 36
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
77 to 550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27 to 38
20 to 32
Strength to Weight: Bending, points 24 to 30
28 to 38
Thermal Diffusivity, mm2/s 4.0
74 to 83
Thermal Shock Resistance, points 16 to 23
8.6 to 14

Alloy Composition

Aluminum (Al), % 0
97.5 to 99
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 17.5
0 to 0.1
Copper (Cu), % 0 to 1.0
0 to 0.1
Iron (Fe), % 67.9 to 73.5
0 to 0.35
Magnesium (Mg), % 0
0.4 to 0.6
Manganese (Mn), % 6.4 to 7.5
0 to 0.1
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
0.6 to 0.9
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.1
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.15