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AISI 201L Stainless Steel vs. EN 1.4901 Stainless Steel

Both AISI 201L stainless steel and EN 1.4901 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 32 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 201L stainless steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22 to 46
19
Fatigue Strength, MPa 270 to 530
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 520 to 660
460
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
740
Tensile Strength: Yield (Proof), MPa 290 to 790
490

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 880
650
Melting Completion (Liquidus), °C 1410
1490
Melting Onset (Solidus), °C 1370
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
11
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 38
40
Embodied Water, L/kg 140
89

Common Calculations

PREN (Pitting Resistance) 19
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 37
26
Strength to Weight: Bending, points 24 to 30
23
Thermal Diffusivity, mm2/s 4.0
6.9
Thermal Shock Resistance, points 16 to 23
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.030
0.070 to 0.13
Chromium (Cr), % 16 to 18
8.5 to 9.5
Iron (Fe), % 67.9 to 75
85.8 to 89.1
Manganese (Mn), % 5.5 to 7.5
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 3.5 to 5.5
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0 to 0.25
0.030 to 0.070
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010