ASTM B596 Au-Cu vs. N10665 Nickel

ASTM B596 Au-Cu belongs to the otherwise unclassified metals classification, while N10665 nickel belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is N10665 nickel.

ASTM B596 Gold-Copper Electrical Contact Alloy UNS N10665 (2.4617, NiMo28) Nickel-Molybdenum Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		220

Elongation at Break, %		4.3 to 17
Elongation at Break, %		45

Poisson's Ratio		0.41
Poisson's Ratio		0.31

Shear Modulus, GPa		36
Shear Modulus, GPa		84

Shear Strength, MPa		280 to 360
Shear Strength, MPa		600

Tensile Strength: Ultimate (UTS), MPa		450 to 620
Tensile Strength: Ultimate (UTS), MPa		860

Thermal Properties

Latent Heat of Fusion, J/g		77
Latent Heat of Fusion, J/g		310

Melting Completion (Liquidus), °C		1060
Melting Completion (Liquidus), °C		1620

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		1570

Specific Heat Capacity, J/kg-K		150
Specific Heat Capacity, J/kg-K		390

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		14
Electrical Conductivity: Equal Volume, % IACS		1.3

Electrical Conductivity: Equal Weight (Specific), % IACS		6.7
Electrical Conductivity: Equal Weight (Specific), % IACS		1.2

Otherwise Unclassified Properties

Density, g/cm³		18
Density, g/cm³		9.3

Common Calculations

Stiffness to Weight: Axial, points		3.1
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		8.5
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		6.8 to 9.4
Strength to Weight: Axial, points		26

Strength to Weight: Bending, points		7.1 to 8.8
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		22 to 30
Thermal Shock Resistance, points		27

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.020

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

Cobalt (Co), %		0
Cobalt (Co), %		0 to 1.0

Copper (Cu), %		9.0 to 11
Copper (Cu), %		0

Gold (Au), %		89 to 91
Gold (Au), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 2.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		26 to 30

Nickel (Ni), %		0
Nickel (Ni), %		64.8 to 74

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Residuals, %		0 to 0.4
Residuals, %		0