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EN 1.6554 Steel vs. AISI 201LN Stainless Steel

Both EN 1.6554 steel and AISI 201LN stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
25 to 51
Fatigue Strength, MPa 380 to 520
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 780 to 930
740 to 1060
Tensile Strength: Yield (Proof), MPa 550 to 790
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 420
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
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 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.6
Embodied Energy, MJ/kg 22
38
Embodied Water, L/kg 53
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
27 to 38
Strength to Weight: Bending, points 24 to 27
24 to 30
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 23 to 27
16 to 23

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.030
Chromium (Cr), % 0.7 to 0.9
16 to 17.5
Copper (Cu), % 0 to 0.3
0 to 1.0
Iron (Fe), % 94.6 to 97.3
67.9 to 73.5
Manganese (Mn), % 0.6 to 0.9
6.4 to 7.5
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.0 to 2.0
4.0 to 5.0
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0 to 0.030
0

Comparable Variants