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AWS BNi-2 vs. Grade CW6MC Nickel

Both AWS BNi-2 and grade CW6MC nickel are nickel alloys. They have 72% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-2 and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 68
79
Tensile Strength: Ultimate (UTS), MPa 440
540

Thermal Properties

Latent Heat of Fusion, J/g 360
330
Melting Completion (Liquidus), °C 1000
1480
Melting Onset (Solidus), °C 970
1430
Specific Heat Capacity, J/kg-K 490
440
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.2
8.6
Embodied Carbon, kg CO2/kg material 9.3
14
Embodied Energy, MJ/kg 130
200
Embodied Water, L/kg 230
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 2.8 to 3.5
0
Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 6.0 to 8.0
20 to 23
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 2.5 to 3.5
0 to 5.0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 79.1 to 84.8
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0 to 0.020
0 to 0.015
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 4.0 to 5.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0