ASTM B477 Au-Ni-Ag vs. N07773 Nickel

ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while N07773 nickel belongs to the nickel alloys. There are 17 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 ASTM B477 Au-Ni-Ag and the bottom bar is N07773 nickel.

ASTM B477 Gold-Nickel-Silver Electrical Contact Alloy UNS N07773 Nickel Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		95
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		5.5 to 11
Elongation at Break, %		40

Poisson's Ratio		0.41
Poisson's Ratio		0.29

Shear Modulus, GPa		34
Shear Modulus, GPa		77

Shear Strength, MPa		190 to 320
Shear Strength, MPa		480

Tensile Strength: Ultimate (UTS), MPa		310 to 550
Tensile Strength: Ultimate (UTS), MPa		710

Thermal Properties

Latent Heat of Fusion, J/g		80
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1010
Melting Completion (Liquidus), °C		1510

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		1460

Specific Heat Capacity, J/kg-K		160
Specific Heat Capacity, J/kg-K		450

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Density, g/cm³		17
Density, g/cm³		8.5

Common Calculations

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

Stiffness to Weight: Bending, points		8.9
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		5.0 to 9.0
Strength to Weight: Axial, points		23

Strength to Weight: Bending, points		6.0 to 8.8
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		16 to 28
Thermal Shock Resistance, points		20

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 2.0

Carbon (C), %		0
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0
Chromium (Cr), %		18 to 27

Gold (Au), %		74.2 to 75.8
Gold (Au), %		0

Iron (Fe), %		0
Iron (Fe), %		0 to 32

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

Molybdenum (Mo), %		0
Molybdenum (Mo), %		2.5 to 5.5

Nickel (Ni), %		2.6 to 3.4
Nickel (Ni), %		45 to 60

Niobium (Nb), %		0
Niobium (Nb), %		2.5 to 6.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0
Silicon (Si), %		0 to 0.5

Silver (Ag), %		21.4 to 22.6
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.010

Titanium (Ti), %		0
Titanium (Ti), %		0 to 2.0

Tungsten (W), %		0
Tungsten (W), %		0 to 6.0

Residuals, %		0 to 0.3
Residuals, %		0