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S32808 Stainless Steel vs. S20161 Stainless Steel

Both S32808 stainless steel and S20161 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 34 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 S32808 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
250
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
46
Fatigue Strength, MPa 350
360
Poisson's Ratio 0.27
0.28
Rockwell C Hardness 28
22
Shear Modulus, GPa 81
76
Shear Strength, MPa 480
690
Tensile Strength: Ultimate (UTS), MPa 780
980
Tensile Strength: Yield (Proof), MPa 570
390

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 57
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 40
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
360
Resilience: Unit (Modulus of Resilience), kJ/m3 790
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 27
36
Strength to Weight: Bending, points 24
29
Thermal Diffusivity, mm2/s 3.8
4.0
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 27 to 27.9
15 to 18
Iron (Fe), % 58.1 to 62.8
65.6 to 73.9
Manganese (Mn), % 0 to 1.1
4.0 to 6.0
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 7.0 to 8.2
4.0 to 6.0
Nitrogen (N), % 0.3 to 0.4
0.080 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
3.0 to 4.0
Sulfur (S), % 0 to 0.010
0 to 0.040
Tungsten (W), % 2.1 to 2.5
0