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Nickel 693 vs. AWS BNi-9

Both nickel 693 and AWS BNi-9 are nickel alloys. They have 76% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 693 and the bottom bar is AWS BNi-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 660
580

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Melting Completion (Liquidus), °C 1350
1060
Melting Onset (Solidus), °C 1310
1060
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
60
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 9.9
9.3
Embodied Energy, MJ/kg 140
130
Embodied Water, L/kg 320
260

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
18
Thermal Shock Resistance, points 19
19

Alloy Composition


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Aluminum (Al), % 2.5 to 4.0
0 to 0.050
Boron (B), % 0
3.3 to 4.0
Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 27 to 31
13.5 to 16.5
Cobalt (Co), % 0
0 to 0.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 2.5 to 6.0
0 to 1.5
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 53.3 to 67.5
77.1 to 83.3
Niobium (Nb), % 0.5 to 2.5
0
Phosphorus (P), % 0
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0 to 1.0
0 to 0.050
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5