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AWS BNi-3 vs. Grade CW12MW Nickel

Both AWS BNi-3 and grade CW12MW nickel are nickel alloys. They have 55% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-3 and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
220
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 66
85
Tensile Strength: Ultimate (UTS), MPa 430
560

Thermal Properties

Latent Heat of Fusion, J/g 350
320
Melting Completion (Liquidus), °C 1040
1610
Melting Onset (Solidus), °C 980
1560
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
70
Density, g/cm3 8.3
9.1
Embodied Carbon, kg CO2/kg material 9.9
13
Embodied Energy, MJ/kg 140
180
Embodied Water, L/kg 220
280

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
22
Strength to Weight: Axial, points 14
17
Strength to Weight: Bending, points 15
17
Thermal Shock Resistance, points 17
16

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 0.12
Chromium (Cr), % 0
15.5 to 17.5
Cobalt (Co), % 0 to 0.1
0
Iron (Fe), % 0 to 0.5
4.5 to 7.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
16 to 18
Nickel (Ni), % 90.1 to 93.3
49.2 to 60.1
Phosphorus (P), % 0 to 0.020
0 to 0.040
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
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0