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AISI 201LN Stainless Steel vs. S82031 Stainless Steel

Both AISI 201LN stainless steel and S82031 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
39
Fatigue Strength, MPa 340 to 540
490
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 530 to 680
540
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
780
Tensile Strength: Yield (Proof), MPa 350 to 770
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 880
980
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
39
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
280
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
28
Strength to Weight: Bending, points 24 to 30
24
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16 to 23
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 16 to 17.5
19 to 22
Copper (Cu), % 0 to 1.0
0 to 1.0
Iron (Fe), % 67.9 to 73.5
68 to 78.3
Manganese (Mn), % 6.4 to 7.5
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 4.0 to 5.0
2.0 to 4.0
Nitrogen (N), % 0.1 to 0.25
0.14 to 0.24
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0050