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AISI 303 Stainless Steel vs. AISI 201LN Stainless Steel

Both AISI 303 stainless steel and AISI 201LN stainless steel are iron alloys. They have a moderately high 93% 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 303 stainless steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40 to 51
25 to 51
Fatigue Strength, MPa 230 to 360
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430 to 470
530 to 680
Tensile Strength: Ultimate (UTS), MPa 600 to 690
740 to 1060
Tensile Strength: Yield (Proof), MPa 230 to 420
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 930
880
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.6
Embodied Energy, MJ/kg 42
38
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 440
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
27 to 38
Strength to Weight: Bending, points 20 to 22
24 to 30
Thermal Diffusivity, mm2/s 4.4
4.0
Thermal Shock Resistance, points 13 to 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 67.3 to 74.9
67.9 to 73.5
Manganese (Mn), % 0 to 2.0
6.4 to 7.5
Nickel (Ni), % 8.0 to 10
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.2
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.015

Comparable Variants