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EN 1.4376 Stainless Steel vs. AISI 201L Stainless Steel

Both EN 1.4376 stainless steel and AISI 201L stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4376 stainless steel and the bottom bar is AISI 201L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
22 to 46
Fatigue Strength, MPa 420
270 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 530
520 to 660
Tensile Strength: Ultimate (UTS), MPa 750
740 to 1040
Tensile Strength: Yield (Proof), MPa 450
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 930
880
Melting Completion (Liquidus), °C 1410
1410
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
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 12
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 37
38
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 520
220 to 1570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
27 to 37
Strength to Weight: Bending, points 24
24 to 30
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 17
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 17 to 20.5
16 to 18
Iron (Fe), % 65.5 to 76
67.9 to 75
Manganese (Mn), % 5.0 to 8.0
5.5 to 7.5
Nickel (Ni), % 2.0 to 4.5
3.5 to 5.5
Nitrogen (N), % 0 to 0.3
0 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030