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AISI 430F Stainless Steel vs. S20433 Stainless Steel

Both AISI 430F stainless steel and S20433 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 86% 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 430F stainless steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
46
Fatigue Strength, MPa 210
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 340
440
Tensile Strength: Ultimate (UTS), MPa 540
630
Tensile Strength: Yield (Proof), MPa 310
270

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 870
900
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.8

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
2.7
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.080
Chromium (Cr), % 16 to 18
17 to 18
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 79.2 to 83.9
64.1 to 72.4
Manganese (Mn), % 0 to 1.3
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.1 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030