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Grade CW12MW Nickel vs. AWS BNi-1

Both grade CW12MW nickel and AWS BNi-1 are nickel alloys. They have 74% 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 grade CW12MW nickel and the bottom bar is AWS BNi-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 85
70
Tensile Strength: Ultimate (UTS), MPa 560
450

Thermal Properties

Latent Heat of Fusion, J/g 320
360
Melting Completion (Liquidus), °C 1610
1040
Melting Onset (Solidus), °C 1560
980
Specific Heat Capacity, J/kg-K 410
500
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 70
55
Density, g/cm3 9.1
8.0
Embodied Carbon, kg CO2/kg material 13
8.8
Embodied Energy, MJ/kg 180
120
Embodied Water, L/kg 280
240

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
16
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0 to 0.12
0.6 to 0.9
Chromium (Cr), % 15.5 to 17.5
13 to 15
Cobalt (Co), % 0
0 to 0.1
Iron (Fe), % 4.5 to 7.5
4.0 to 5.0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
69.8 to 75.7
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
4.0 to 5.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0
0 to 0.5