C18700 Copper vs. AWS BNi-5

C18700 copper belongs to the copper alloys classification, while AWS BNi-5 belongs to the nickel 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 C18700 copper and the bottom bar is AWS BNi-5.

UNS C18700 (CW113C) Leaded Copper AWS BNi-5 (N99650) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		43
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		290 to 330
Tensile Strength: Ultimate (UTS), MPa		470

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		470

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1140

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		1080

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		510

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		55

Density, g/cm³		9.0
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		8.9

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		130

Embodied Water, L/kg		310
Embodied Water, L/kg		260

Common Calculations

Stiffness to Weight: Axial, points		7.1
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		9.0 to 10
Strength to Weight: Axial, points		17

Strength to Weight: Bending, points		11 to 12
Strength to Weight: Bending, points		17

Thermal Shock Resistance, points		10 to 12
Thermal Shock Resistance, points		15

Alloy Composition

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

Boron (B), %		0
Boron (B), %		0 to 0.030

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

Chromium (Cr), %		0
Chromium (Cr), %		18.5 to 19.5

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

Copper (Cu), %		98 to 99.2
Copper (Cu), %		0

Lead (Pb), %		0.8 to 1.5
Lead (Pb), %		0

Nickel (Ni), %		0
Nickel (Ni), %		69.1 to 71.8

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

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

Silicon (Si), %		0
Silicon (Si), %		9.8 to 10.5

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

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

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

Residuals, %		0
Residuals, %		0 to 0.5