MakeItFrom.com
Menu (ESC)

S20431 Stainless Steel vs. S20161 Stainless Steel

Both S20431 stainless steel and S20161 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 95% 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 S20431 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, % 46
46
Fatigue Strength, MPa 320
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 500
690
Tensile Strength: Ultimate (UTS), MPa 710
980
Tensile Strength: Yield (Proof), MPa 350
390

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
870
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1360
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 36
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
360
Resilience: Unit (Modulus of Resilience), kJ/m3 310
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
36
Strength to Weight: Bending, points 23
29
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.15
Chromium (Cr), % 17 to 18
15 to 18
Copper (Cu), % 1.5 to 3.5
0
Iron (Fe), % 66.1 to 74.4
65.6 to 73.9
Manganese (Mn), % 5.0 to 7.0
4.0 to 6.0
Nickel (Ni), % 2.0 to 4.0
4.0 to 6.0
Nitrogen (N), % 0.1 to 0.25
0.080 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
3.0 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.040