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AISI 201LN Stainless Steel vs. AISI 317LN Stainless Steel

Both AISI 201LN stainless steel and AISI 317LN stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is AISI 317LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
45
Fatigue Strength, MPa 340 to 540
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 530 to 680
430
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
620
Tensile Strength: Yield (Proof), MPa 350 to 770
270

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
1010
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
21
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.3
Embodied Energy, MJ/kg 38
59
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 20
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
220
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
22
Strength to Weight: Bending, points 24 to 30
20
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16 to 23
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16 to 17.5
18 to 20
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
57.9 to 67.9
Manganese (Mn), % 6.4 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 4.0 to 5.0
11 to 15
Nitrogen (N), % 0.1 to 0.25
0.1 to 0.22
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030