AWS BNi-8 vs. CR018A Copper

AWS BNi-8 belongs to the nickel alloys classification, while CR018A copper belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-8 and the bottom bar is CR018A copper.

AWS BNi-8 (N99800) Filler Metal EN CR018A (CuAg0.07(OF)) Silver-Bearing Oxygen-Free 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		43

Tensile Strength: Ultimate (UTS), MPa		570
Tensile Strength: Ultimate (UTS), MPa		220

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		1040

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		33

Density, g/cm³		7.9
Density, g/cm³		9.0

Embodied Carbon, kg CO₂/kg material		8.2
Embodied Carbon, kg CO₂/kg material		2.7

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		42

Embodied Water, L/kg		220
Embodied Water, L/kg		360

Common Calculations

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		7.2

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

Strength to Weight: Axial, points		20
Strength to Weight: Axial, points		6.8

Strength to Weight: Bending, points		19
Strength to Weight: Bending, points		9.0

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		7.8

Alloy Composition

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

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.00050

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

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

Copper (Cu), %		4.0 to 5.0
Copper (Cu), %		99.914 to 99.94

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

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

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

Silver (Ag), %		0
Silver (Ag), %		0.060 to 0.080

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

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

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

Residuals, %		0 to 0.5
Residuals, %		0