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AISI 201L Stainless Steel vs. EN 1.4742 Stainless Steel

Both AISI 201L stainless steel and EN 1.4742 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 46
17
Fatigue Strength, MPa 270 to 530
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520 to 660
370
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
600
Tensile Strength: Yield (Proof), MPa 290 to 790
300

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
1000
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
19
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 38
32
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
84
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
22
Strength to Weight: Bending, points 24 to 30
21
Thermal Diffusivity, mm2/s 4.0
5.1
Thermal Shock Resistance, points 16 to 23
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 67.9 to 75
77.2 to 81.6
Manganese (Mn), % 5.5 to 7.5
0 to 1.0
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015