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ASTM B477 Au-Ni-Ag vs. N06255 Nickel

ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while N06255 nickel belongs to the nickel alloys. There are 17 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 B477 Au-Ni-Ag and the bottom bar is N06255 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
210
Elongation at Break, % 5.5 to 11
45
Poisson's Ratio 0.41
0.28
Shear Modulus, GPa 34
81
Shear Strength, MPa 190 to 320
460
Tensile Strength: Ultimate (UTS), MPa 310 to 550
660

Thermal Properties

Latent Heat of Fusion, J/g 80
320
Melting Completion (Liquidus), °C 1010
1470
Melting Onset (Solidus), °C 930
1420
Specific Heat Capacity, J/kg-K 160
450
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.5

Common Calculations

Stiffness to Weight: Axial, points 3.1
14
Stiffness to Weight: Bending, points 8.9
23
Strength to Weight: Axial, points 5.0 to 9.0
22
Strength to Weight: Bending, points 6.0 to 8.8
20
Thermal Shock Resistance, points 16 to 28
17

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 0
0 to 1.2
Gold (Au), % 74.2 to 75.8
0
Iron (Fe), % 0
6.0 to 24
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 9.0
Nickel (Ni), % 2.6 to 3.4
47 to 52
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 21.4 to 22.6
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0 to 0.69
Tungsten (W), % 0
0 to 3.0
Residuals, % 0 to 0.3
0