CR018A Copper vs. AWS BNi-8

CR018A copper belongs to the copper alloys classification, while AWS BNi-8 belongs to the nickel 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 CR018A copper and the bottom bar is AWS BNi-8.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.32

Shear Modulus, GPa		43
Shear Modulus, GPa		67

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

Thermal Properties

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

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

Melting Onset (Solidus), °C		1040
Melting Onset (Solidus), °C		980

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

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

Otherwise Unclassified Properties

Base Metal Price, % relative		33
Base Metal Price, % relative		46

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

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

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

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

Common Calculations

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

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

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

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

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

Alloy Composition

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

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

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

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

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

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

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

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

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

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

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

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