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AWS BNi-6 vs. C71000 Copper-nickel

AWS BNi-6 belongs to the nickel alloys classification, while C71000 copper-nickel belongs to the copper alloys. They have a modest 21% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-6 and the bottom bar is C71000 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
130
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 62
49
Tensile Strength: Ultimate (UTS), MPa 450
320 to 560

Thermal Properties

Latent Heat of Fusion, J/g 260
230
Melting Completion (Liquidus), °C 880
1200
Melting Onset (Solidus), °C 880
1150
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 9.8
15

Otherwise Unclassified Properties

Base Metal Price, % relative 55
37
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 9.4
4.3
Embodied Energy, MJ/kg 130
63
Embodied Water, L/kg 210
290

Common Calculations

Stiffness to Weight: Axial, points 11
8.2
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 15
10 to 18
Strength to Weight: Bending, points 16
12 to 17
Thermal Shock Resistance, points 20
12 to 20

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
73.5 to 80.5
Iron (Fe), % 0
0.5 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 87.2 to 90
19 to 23
Phosphorus (P), % 10 to 12
0
Selenium (Se), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5