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Nickel 686 vs. AWS BNi-6

Both nickel 686 and AWS BNi-6 are nickel alloys. They have 56% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is nickel 686 and the bottom bar is AWS BNi-6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
160
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
62
Tensile Strength: Ultimate (UTS), MPa 780
450

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Melting Completion (Liquidus), °C 1380
880
Melting Onset (Solidus), °C 1340
880
Specific Heat Capacity, J/kg-K 420
480
Thermal Expansion, µm/m-K 12
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 70
55
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 12
9.4
Embodied Energy, MJ/kg 170
130
Embodied Water, L/kg 300
210

Common Calculations

Stiffness to Weight: Axial, points 14
11
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 21
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.010
0 to 0.060
Chromium (Cr), % 19 to 23
0
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 0 to 5.0
0
Manganese (Mn), % 0 to 0.75
0
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 49.5 to 63
87.2 to 90
Phosphorus (P), % 0 to 0.040
10 to 12
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.080
0
Sulfur (S), % 0 to 0.020
0 to 0.020
Titanium (Ti), % 0.020 to 0.25
0 to 0.050
Tungsten (W), % 3.0 to 4.4
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5