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EN 1.8201 Steel vs. AISI 201LN Stainless Steel

Both EN 1.8201 steel and AISI 201LN stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8201 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
25 to 51
Fatigue Strength, MPa 310
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 390
530 to 680
Tensile Strength: Ultimate (UTS), MPa 630
740 to 1060
Tensile Strength: Yield (Proof), MPa 450
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 450
880
Melting Completion (Liquidus), °C 1500
1410
Melting Onset (Solidus), °C 1450
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.6
Embodied Energy, MJ/kg 36
38
Embodied Water, L/kg 59
140

Common Calculations

PREN (Pitting Resistance) 5.7
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 530
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
27 to 38
Strength to Weight: Bending, points 20
24 to 30
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 18
16 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.030
Chromium (Cr), % 1.9 to 2.6
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 93.6 to 96.2
67.9 to 73.5
Manganese (Mn), % 0.1 to 0.6
6.4 to 7.5
Molybdenum (Mo), % 0.050 to 0.3
0
Nickel (Ni), % 0
4.0 to 5.0
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0