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AWS BNi-6 vs. C72500 Copper-nickel

AWS BNi-6 belongs to the nickel alloys classification, while C72500 copper-nickel belongs to the copper alloys. 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 C72500 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
420 to 780

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 880
1130
Melting Onset (Solidus), °C 880
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 9.8
17

Otherwise Unclassified Properties

Base Metal Price, % relative 55
35
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 9.4
3.6
Embodied Energy, MJ/kg 130
55
Embodied Water, L/kg 210
320

Common Calculations

Stiffness to Weight: Axial, points 11
7.6
Stiffness to Weight: Bending, points 22
19
Strength to Weight: Axial, points 15
13 to 24
Strength to Weight: Bending, points 16
14 to 21
Thermal Shock Resistance, points 20
14 to 27

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
85.2 to 89.7
Iron (Fe), % 0
0 to 0.6
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 87.2 to 90
8.5 to 10.5
Phosphorus (P), % 10 to 12
0
Selenium (Se), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
1.8 to 2.8
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 0.2