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AWS BNi-6 vs. C72900 Copper-nickel

AWS BNi-6 belongs to the nickel alloys classification, while C72900 copper-nickel belongs to the copper alloys. 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-6 and the bottom bar is C72900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 62
45
Tensile Strength: Ultimate (UTS), MPa 450
870 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 880
1120
Melting Onset (Solidus), °C 880
950
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 9.8
17

Otherwise Unclassified Properties

Base Metal Price, % relative 55
39
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 9.4
4.6
Embodied Energy, MJ/kg 130
72
Embodied Water, L/kg 210
360

Common Calculations

Stiffness to Weight: Axial, points 11
7.6
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 15
27 to 34
Strength to Weight: Bending, points 16
23 to 27
Thermal Shock Resistance, points 20
31 to 38

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.060
0
Cobalt (Co), % 0 to 0.1
0
Copper (Cu), % 0
74.1 to 78
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0 to 0.3
Nickel (Ni), % 87.2 to 90
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 10 to 12
0
Selenium (Se), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 0.5
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.3