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AISI 430FSe Stainless Steel vs. S32803 Stainless Steel

Both AISI 430FSe stainless steel and S32803 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% 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 430FSe stainless steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
18
Fatigue Strength, MPa 210
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 340
420
Tensile Strength: Ultimate (UTS), MPa 540
680
Tensile Strength: Yield (Proof), MPa 310
560

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
510
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.1
3.7
Embodied Energy, MJ/kg 30
53
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 17
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 250
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 6.8
4.4
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.015
Chromium (Cr), % 16 to 18
28 to 29
Iron (Fe), % 79.5 to 84
62.9 to 67.1
Manganese (Mn), % 0 to 1.3
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.060
0 to 0.0035