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AWS E409Nb vs. S20161 Stainless Steel

Both AWS E409Nb and S20161 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS E409Nb and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
46
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 500
980
Tensile Strength: Yield (Proof), MPa 380
390

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 14
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
12
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 42
39
Embodied Water, L/kg 100
130

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
360
Resilience: Unit (Modulus of Resilience), kJ/m3 380
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
36
Strength to Weight: Bending, points 18
29
Thermal Diffusivity, mm2/s 6.8
4.0
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.15
Chromium (Cr), % 11 to 14
15 to 18
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 80.2 to 88.5
65.6 to 73.9
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0 to 0.6
4.0 to 6.0
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.040
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