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AISI 420F Stainless Steel vs. S32906 Stainless Steel

Both AISI 420F stainless steel and S32906 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AISI 420F stainless steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 18
28
Fatigue Strength, MPa 270
460
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 460
550
Tensile Strength: Ultimate (UTS), MPa 740
850
Tensile Strength: Yield (Proof), MPa 430
620

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 28
52
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 14
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 480
950
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
30
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 6.8
3.6
Thermal Shock Resistance, points 27
23

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 82.4 to 87.6
56.6 to 63.6
Manganese (Mn), % 0 to 1.3
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.5
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0.15 to 0.35
0 to 0.030