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AISI 201LN Stainless Steel vs. EN 1.3955 Stainless Steel

Both AISI 201LN stainless steel and EN 1.3955 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 EN 1.3955 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
23
Fatigue Strength, MPa 340 to 540
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
520
Tensile Strength: Yield (Proof), MPa 350 to 770
220

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
930
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.2
Embodied Energy, MJ/kg 38
45
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
95
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
18
Strength to Weight: Bending, points 24 to 30
18
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 16 to 23
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 17.5
16.5 to 18.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
65.5 to 73.5
Manganese (Mn), % 6.4 to 7.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 4.0 to 5.0
10 to 12
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030