C17200 Copper vs. AWS BNi-8

C17200 copper belongs to the copper alloys classification, while AWS BNi-8 belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is C17200 copper and the bottom bar is AWS BNi-8.

UNS C17200 (CW101C) Beryllium 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		0.33
Poisson's Ratio		0.32

Shear Modulus, GPa		45
Shear Modulus, GPa		67

Tensile Strength: Ultimate (UTS), MPa		480 to 1380
Tensile Strength: Ultimate (UTS), MPa		570

Thermal Properties

Latent Heat of Fusion, J/g		230
Latent Heat of Fusion, J/g		390

Melting Completion (Liquidus), °C		980
Melting Completion (Liquidus), °C		1010

Melting Onset (Solidus), °C		870
Melting Onset (Solidus), °C		980

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

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		8.8
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		9.4
Embodied Carbon, kg CO₂/kg material		8.2

Embodied Energy, MJ/kg		150
Embodied Energy, MJ/kg		120

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

Common Calculations

Stiffness to Weight: Axial, points		7.6
Stiffness to Weight: Axial, points		12

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		15 to 44
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		16 to 31
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		16 to 46
Thermal Shock Resistance, points		17

Alloy Composition

Aluminum (Al), %		0 to 0.2
Aluminum (Al), %		0 to 0.050

Beryllium (Be), %		1.8 to 2.0
Beryllium (Be), %		0

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

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

Copper (Cu), %		96.1 to 98
Copper (Cu), %		4.0 to 5.0

Iron (Fe), %		0 to 0.4
Iron (Fe), %		0

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

Nickel (Ni), %		0.2 to 0.6
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 to 0.2
Silicon (Si), %		6.0 to 8.0

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