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AISI 201L Stainless Steel vs. S44800 Stainless Steel

Both AISI 201L stainless steel and S44800 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 33 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 201L stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22 to 46
23
Fatigue Strength, MPa 270 to 530
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 520 to 660
370
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
590
Tensile Strength: Yield (Proof), MPa 290 to 790
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 880
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 38
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 19
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
21
Strength to Weight: Bending, points 24 to 30
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 16 to 23
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 16 to 18
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 67.9 to 75
62.6 to 66.5
Manganese (Mn), % 5.5 to 7.5
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 3.5 to 5.5
2.0 to 2.5
Nitrogen (N), % 0 to 0.25
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020