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AWS BNi-7 vs. N08221 Nickel

Both AWS BNi-7 and N08221 nickel are nickel alloys. They have 57% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-7 and the bottom bar is N08221 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
200
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 67
79
Tensile Strength: Ultimate (UTS), MPa 550
610

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Melting Completion (Liquidus), °C 890
1440
Melting Onset (Solidus), °C 890
1390
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 55
44
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 8.8
7.9
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 240
240

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 21
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.2
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.025
Chromium (Cr), % 13 to 15
20 to 22
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
1.5 to 3.0
Iron (Fe), % 0 to 0.2
22 to 33.9
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 6.5
Nickel (Ni), % 73.3 to 77.3
39 to 46
Phosphorus (P), % 9.7 to 10.5
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 0.050
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0.6 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0