AWS BNi-8 vs. C18600 Copper

AWS BNi-8 belongs to the nickel alloys classification, while C18600 copper 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-8 and the bottom bar is C18600 copper.

AWS BNi-8 (N99800) Filler Metal UNS C18600 Chromium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		180
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.32
Poisson's Ratio		0.34

Shear Modulus, GPa		67
Shear Modulus, GPa		44

Tensile Strength: Ultimate (UTS), MPa		570
Tensile Strength: Ultimate (UTS), MPa		520 to 580

Thermal Properties

Latent Heat of Fusion, J/g		390
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		1010
Melting Completion (Liquidus), °C		1090

Melting Onset (Solidus), °C		980
Melting Onset (Solidus), °C		1070

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		46
Base Metal Price, % relative		31

Density, g/cm³		7.9
Density, g/cm³		8.9

Embodied Carbon, kg CO₂/kg material		8.2
Embodied Carbon, kg CO₂/kg material		2.9

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		46

Embodied Water, L/kg		220
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		7.3

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		16 to 18

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		16 to 17

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		19 to 20

Alloy Composition

Aluminum (Al), %		0 to 0.050
Aluminum (Al), %		0

Carbon (C), %		0 to 0.060
Carbon (C), %		0

Chromium (Cr), %		0
Chromium (Cr), %		0.1 to 1.0

Cobalt (Co), %		0 to 0.1
Cobalt (Co), %		0 to 0.1

Copper (Cu), %		4.0 to 5.0
Copper (Cu), %		96.5 to 99.55

Iron (Fe), %		0
Iron (Fe), %		0.25 to 0.8

Manganese (Mn), %		21.5 to 24.5
Manganese (Mn), %		0

Nickel (Ni), %		61.6 to 68.5
Nickel (Ni), %		0 to 0.25

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0

Selenium (Se), %		0 to 0.0050
Selenium (Se), %		0

Silicon (Si), %		6.0 to 8.0
Silicon (Si), %		0

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0

Titanium (Ti), %		0 to 0.050
Titanium (Ti), %		0.050 to 0.5

Zirconium (Zr), %		0 to 0.050
Zirconium (Zr), %		0.050 to 0.4

Residuals, %		0
Residuals, %		0 to 0.5