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AISI 201L Stainless Steel vs. EN 1.4931 Steel

Both AISI 201L stainless steel and EN 1.4931 steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 201L stainless steel and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 46
17
Fatigue Strength, MPa 270 to 530
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
810
Tensile Strength: Yield (Proof), MPa 290 to 790
620

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 880
600
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
11

Otherwise Unclassified Properties

Base Metal Price, % relative 12
8.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 38
42
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
130
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
29
Strength to Weight: Bending, points 24 to 30
25
Thermal Diffusivity, mm2/s 4.0
6.5
Thermal Shock Resistance, points 16 to 23
22

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.26
Chromium (Cr), % 16 to 18
11.3 to 12.2
Iron (Fe), % 67.9 to 75
83.2 to 86.8
Manganese (Mn), % 5.5 to 7.5
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 3.5 to 5.5
0 to 1.0
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35