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AISI 201 Stainless Steel vs. S44800 Stainless Steel

Both AISI 201 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 201 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 440
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 4.6 to 51
23
Fatigue Strength, MPa 280 to 600
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 450 to 840
370
Tensile Strength: Ultimate (UTS), MPa 650 to 1450
590
Tensile Strength: Yield (Proof), MPa 300 to 1080
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 2.5
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 61 to 340
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 2970
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 52
21
Strength to Weight: Bending, points 22 to 37
20
Thermal Diffusivity, mm2/s 4.0
4.6
Thermal Shock Resistance, points 14 to 32
19

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.010
Chromium (Cr), % 16 to 18
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 67.5 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 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020