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AWS BNi-6 vs. C72700 Copper-nickel

AWS BNi-6 belongs to the nickel alloys classification, while C72700 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 C72700 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
44
Tensile Strength: Ultimate (UTS), MPa 450
460 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 880
1100
Melting Onset (Solidus), °C 880
930
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 9.8
17

Otherwise Unclassified Properties

Base Metal Price, % relative 55
36
Density, g/cm3 8.2
8.8
Embodied Carbon, kg CO2/kg material 9.4
4.0
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 210
350

Common Calculations

Stiffness to Weight: Axial, points 11
7.4
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 15
14 to 34
Strength to Weight: Bending, points 16
15 to 26
Thermal Shock Resistance, points 20
16 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
82.1 to 86
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 87.2 to 90
8.5 to 9.5
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
5.5 to 6.5
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