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AWS BNi-8 vs. Grade CW2M Nickel

Both AWS BNi-8 and grade CW2M nickel are nickel alloys. They have 66% 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-8 and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
210
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 67
83
Tensile Strength: Ultimate (UTS), MPa 570
560

Thermal Properties

Latent Heat of Fusion, J/g 390
330
Melting Completion (Liquidus), °C 1010
1520
Melting Onset (Solidus), °C 980
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 46
70
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 8.2
12
Embodied Energy, MJ/kg 120
170
Embodied Water, L/kg 220
290

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
17
Thermal Shock Resistance, points 17
16

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 0
15 to 17.5
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 0
0 to 2.0
Manganese (Mn), % 21.5 to 24.5
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 61.6 to 68.5
60.1 to 70
Phosphorus (P), % 0 to 0.020
0 to 0.030
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
0 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0 to 0.5
0