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S35140 Stainless Steel vs. S20161 Stainless Steel

Both S35140 stainless steel and S20161 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S35140 stainless steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
46
Fatigue Strength, MPa 250
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 460
690
Tensile Strength: Ultimate (UTS), MPa 690
980
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 5.5
2.7
Embodied Energy, MJ/kg 78
39
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 28
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
360
Resilience: Unit (Modulus of Resilience), kJ/m3 250
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 16
22

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 20 to 22
15 to 18
Iron (Fe), % 44.1 to 52.7
65.6 to 73.9
Manganese (Mn), % 1.0 to 3.0
4.0 to 6.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 25 to 27
4.0 to 6.0
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0.080 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040