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AISI 201LN Stainless Steel vs. EN 1.4945 Stainless Steel

Both AISI 201LN stainless steel and EN 1.4945 stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is AISI 201LN stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
200 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25 to 51
19 to 34
Fatigue Strength, MPa 340 to 540
230 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530 to 680
430 to 460
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
640 to 740
Tensile Strength: Yield (Proof), MPa 350 to 770
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
520
Maximum Temperature: Mechanical, °C 880
920
Melting Completion (Liquidus), °C 1410
1490
Melting Onset (Solidus), °C 1370
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
30
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.0
Embodied Energy, MJ/kg 38
73
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 20
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
22 to 25
Strength to Weight: Bending, points 24 to 30
20 to 22
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 16 to 23
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 16 to 17.5
15.5 to 17.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
57.9 to 65.7
Manganese (Mn), % 6.4 to 7.5
0 to 1.5
Nickel (Ni), % 4.0 to 5.0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.1 to 0.25
0.060 to 0.14
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 0.75
0.3 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5