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AISI 430FSe Stainless Steel vs. S82031 Stainless Steel

Both AISI 430FSe stainless steel and S82031 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 91% of their average alloy composition in common. There are 32 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 430FSe stainless steel and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
39
Fatigue Strength, MPa 210
490
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 340
540
Tensile Strength: Ultimate (UTS), MPa 540
780
Tensile Strength: Yield (Proof), MPa 310
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 870
980
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 30
39
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 17
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
280
Resilience: Unit (Modulus of Resilience), kJ/m3 250
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
28
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 6.8
3.9
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 16 to 18
19 to 22
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 79.5 to 84
68 to 78.3
Manganese (Mn), % 0 to 1.3
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.060
0 to 0.0050