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AISI 201LN Stainless Steel vs. 336.0 Aluminum

AISI 201LN stainless steel belongs to the iron alloys classification, while 336.0 aluminum belongs to the aluminum 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 AISI 201LN stainless steel and the bottom bar is 336.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
110 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
75
Elongation at Break, % 25 to 51
0.5
Fatigue Strength, MPa 340 to 540
80 to 93
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 77
28
Shear Strength, MPa 530 to 680
190 to 250
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
250 to 320
Tensile Strength: Yield (Proof), MPa 350 to 770
190 to 300

Thermal Properties

Latent Heat of Fusion, J/g 280
570
Maximum Temperature: Mechanical, °C 880
210
Melting Completion (Liquidus), °C 1410
570
Melting Onset (Solidus), °C 1370
540
Specific Heat Capacity, J/kg-K 480
890
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
95

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.6
7.9
Embodied Energy, MJ/kg 38
140
Embodied Water, L/kg 140
1010

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
1.1 to 1.6
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
250 to 580
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
51
Strength to Weight: Axial, points 27 to 38
25 to 32
Strength to Weight: Bending, points 24 to 30
32 to 38
Thermal Diffusivity, mm2/s 4.0
48
Thermal Shock Resistance, points 16 to 23
12 to 16

Alloy Composition

Aluminum (Al), % 0
79.1 to 85.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 16 to 17.5
0
Copper (Cu), % 0 to 1.0
0.5 to 1.5
Iron (Fe), % 67.9 to 73.5
0 to 1.2
Magnesium (Mg), % 0
0.7 to 1.3
Manganese (Mn), % 6.4 to 7.5
0 to 0.35
Nickel (Ni), % 4.0 to 5.0
2.0 to 3.0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.75
11 to 13
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35