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EN 1.4872 Stainless Steel vs. AISI 201LN Stainless Steel

Both EN 1.4872 stainless steel and AISI 201LN stainless steel are iron alloys. They have 87% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
25 to 51
Fatigue Strength, MPa 410
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 620
530 to 680
Tensile Strength: Ultimate (UTS), MPa 950
740 to 1060
Tensile Strength: Yield (Proof), MPa 560
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1150
880
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.6
Embodied Energy, MJ/kg 47
38
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 30
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 780
310 to 1520
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
27 to 38
Strength to Weight: Bending, points 28
24 to 30
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 21
16 to 23

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.030
Chromium (Cr), % 24 to 26
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 54.2 to 61.6
67.9 to 73.5
Manganese (Mn), % 8.0 to 10
6.4 to 7.5
Nickel (Ni), % 6.0 to 8.0
4.0 to 5.0
Nitrogen (N), % 0.2 to 0.4
0.1 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 0.015