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EN 1.4736 Stainless Steel vs. AISI 201LN Stainless Steel

Both EN 1.4736 stainless steel and AISI 201LN stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4736 stainless steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
25 to 51
Fatigue Strength, MPa 230
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 370
530 to 680
Tensile Strength: Ultimate (UTS), MPa 580
740 to 1060
Tensile Strength: Yield (Proof), MPa 310
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 1000
880
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.6
Embodied Energy, MJ/kg 35
38
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 250
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
27 to 38
Strength to Weight: Bending, points 20
24 to 30
Thermal Diffusivity, mm2/s 5.6
4.0
Thermal Shock Resistance, points 21
16 to 23

Alloy Composition

Aluminum (Al), % 1.7 to 2.1
0
Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 17 to 18
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 77 to 81.1
67.9 to 73.5
Manganese (Mn), % 0 to 1.0
6.4 to 7.5
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0.2 to 0.8
0