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AWS BNi-4 vs. S20161 Stainless Steel

AWS BNi-4 belongs to the nickel alloys classification, while S20161 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-4 and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
190
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 67
76
Tensile Strength: Ultimate (UTS), MPa 430
980

Thermal Properties

Latent Heat of Fusion, J/g 340
330
Melting Completion (Liquidus), °C 1070
1380
Melting Onset (Solidus), °C 980
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
12
Density, g/cm3 8.5
7.5
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 140
39
Embodied Water, L/kg 220
130

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
26
Strength to Weight: Axial, points 14
36
Strength to Weight: Bending, points 15
29
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 1.5 to 2.2
0
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 0
15 to 18
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 1.5
65.6 to 73.9
Manganese (Mn), % 0
4.0 to 6.0
Nickel (Ni), % 91.4 to 95.5
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 3.0 to 4.0
3.0 to 4.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0