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AISI 201LN Stainless Steel vs. EN 1.8509 Steel

Both AISI 201LN stainless steel and EN 1.8509 steel are iron alloys. They have 73% 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 AISI 201LN stainless steel and the bottom bar is EN 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
11
Fatigue Strength, MPa 340 to 540
580
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 680
680
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
1130
Tensile Strength: Yield (Proof), MPa 350 to 770
940

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
440
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
22
Embodied Water, L/kg 140
65

Common Calculations

PREN (Pitting Resistance) 20
2.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 38
40
Strength to Weight: Bending, points 24 to 30
31
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 16 to 23
33

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.38 to 0.45
Chromium (Cr), % 16 to 17.5
1.5 to 1.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
95.5 to 97.1
Manganese (Mn), % 6.4 to 7.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.35
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035