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EN 1.4306 Stainless Steel vs. AISI 201L Stainless Steel

Both EN 1.4306 stainless steel and AISI 201L stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4306 stainless steel and the bottom bar is AISI 201L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
22 to 46
Fatigue Strength, MPa 190 to 330
270 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 550
520 to 660
Tensile Strength: Ultimate (UTS), MPa 580 to 900
740 to 1040
Tensile Strength: Yield (Proof), MPa 210 to 570
290 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
880
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
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 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 45
38
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
220 to 1570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
27 to 37
Strength to Weight: Bending, points 20 to 27
24 to 30
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 13 to 20
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 18 to 20
16 to 18
Iron (Fe), % 64.8 to 72
67.9 to 75
Manganese (Mn), % 0 to 2.0
5.5 to 7.5
Nickel (Ni), % 10 to 12
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
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

Comparable Variants