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AWS BNi-8 vs. C74000 Nickel Silver

AWS BNi-8 belongs to the nickel alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 67
44
Tensile Strength: Ultimate (UTS), MPa 570
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 390
200
Melting Completion (Liquidus), °C 1010
990
Melting Onset (Solidus), °C 980
950
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 46
30
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 8.2
3.4
Embodied Energy, MJ/kg 120
54
Embodied Water, L/kg 220
310

Common Calculations

Stiffness to Weight: Axial, points 12
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 20
13 to 19
Strength to Weight: Bending, points 19
14 to 18
Thermal Shock Resistance, points 17
13 to 19

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), % 4.0 to 5.0
69 to 73.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 21.5 to 24.5
0 to 0.5
Nickel (Ni), % 61.6 to 68.5
9.0 to 11
Phosphorus (P), % 0 to 0.020
0
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 6.0 to 8.0
0
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0
14.2 to 22
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5