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Nickel 625 vs. ASTM B477 Au-Ni-Ag

Nickel 625 belongs to the nickel alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 19 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 nickel 625 and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
95
Elongation at Break, % 33 to 34
5.5 to 11
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 79
34
Shear Strength, MPa 530 to 600
190 to 320
Tensile Strength: Ultimate (UTS), MPa 790 to 910
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 330
80
Melting Completion (Liquidus), °C 1350
1010
Melting Onset (Solidus), °C 1290
930
Specific Heat Capacity, J/kg-K 440
160
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
14
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.6
17

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 23
8.9
Strength to Weight: Axial, points 26 to 29
5.0 to 9.0
Strength to Weight: Bending, points 22 to 24
6.0 to 8.8
Thermal Shock Resistance, points 22 to 25
16 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 5.0
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
2.6 to 3.4
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
21.4 to 22.6
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.4
0
Residuals, % 0
0 to 0.3