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AISI 430FSe Stainless Steel vs. AISI 314 Stainless Steel

Both AISI 430FSe stainless steel and AISI 314 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 70% of their average alloy composition in common.

For each property being compared, the top bar is AISI 430FSe stainless steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
45
Fatigue Strength, MPa 210
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 50
57
Shear Modulus, GPa 77
78
Shear Strength, MPa 340
410
Tensile Strength: Ultimate (UTS), MPa 540
590
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
25
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.1
4.3
Embodied Energy, MJ/kg 30
62
Embodied Water, L/kg 120
190

Common Calculations

PREN (Pitting Resistance) 17
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 250
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 6.8
3.9
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.25
Chromium (Cr), % 16 to 18
23 to 26
Iron (Fe), % 79.5 to 84
46.7 to 56.5
Manganese (Mn), % 0 to 1.3
0 to 2.0
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
1.5 to 3.0
Sulfur (S), % 0 to 0.060
0 to 0.030