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AISI 317L Stainless Steel vs. AISI 201L Stainless Steel

Both AISI 317L stainless steel and AISI 201L 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 (2, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
22 to 46
Fatigue Strength, MPa 220
270 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 380
520 to 660
Tensile Strength: Ultimate (UTS), MPa 550
740 to 1040
Tensile Strength: Yield (Proof), MPa 250
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1010
880
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.9

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 31
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 150
220 to 1570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27 to 37
Strength to Weight: Bending, points 19
24 to 30
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 12
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 58 to 68
67.9 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030