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AISI 201LN Stainless Steel vs. N08031 Stainless Steel

Both AISI 201LN stainless steel and N08031 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25 to 51
45
Fatigue Strength, MPa 340 to 540
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 530 to 680
510
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
730
Tensile Strength: Yield (Proof), MPa 350 to 770
310

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 12
39
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
7.1
Embodied Energy, MJ/kg 38
96
Embodied Water, L/kg 140
240

Common Calculations

PREN (Pitting Resistance) 20
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
270
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
25
Strength to Weight: Bending, points 24 to 30
22
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 16 to 17.5
26 to 28
Copper (Cu), % 0 to 1.0
1.0 to 1.4
Iron (Fe), % 67.9 to 73.5
29 to 36.9
Manganese (Mn), % 6.4 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 4.0 to 5.0
30 to 32
Nitrogen (N), % 0.1 to 0.25
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010