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AISI 420F Stainless Steel vs. S32506 Stainless Steel

Both AISI 420F stainless steel and S32506 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% 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 S32506 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
21
Fatigue Strength, MPa 270
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 460
440
Tensile Strength: Ultimate (UTS), MPa 740
710
Tensile Strength: Yield (Proof), MPa 430
500

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
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
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
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.9
Embodied Energy, MJ/kg 28
54
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 14
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 480
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
25
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 6.8
4.3
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
24 to 26
Iron (Fe), % 82.4 to 87.6
60.8 to 67.4
Manganese (Mn), % 0 to 1.3
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 3.5
Nickel (Ni), % 0
5.5 to 7.2
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.9
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Tungsten (W), % 0
0.050 to 0.3