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EN 1.8151 Steel vs. AISI 201LN Stainless Steel

Both EN 1.8151 steel and AISI 201LN stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
740 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 410
880
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 25
38
Embodied Water, L/kg 49
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
27 to 38
Strength to Weight: Bending, points 22 to 45
24 to 30
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 20 to 58
16 to 23

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.030
Chromium (Cr), % 0.4 to 0.8
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 95.9 to 97.2
67.9 to 73.5
Manganese (Mn), % 0.6 to 0.9
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 0.025
0 to 0.045
Silicon (Si), % 1.3 to 1.7
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0.1 to 0.2
0

Comparable Variants