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C78200 Nickel Silver vs. ASTM B541 Gold

C78200 nickel silver belongs to the copper alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C78200 nickel silver and the bottom bar is ASTM B541 gold.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 3.0 to 40
6.0 to 14
Poisson's Ratio 0.32
0.4
Shear Modulus, GPa 43
38
Shear Strength, MPa 280 to 400
410 to 690
Tensile Strength: Ultimate (UTS), MPa 370 to 630
670 to 1180
Tensile Strength: Yield (Proof), MPa 170 to 570
480 to 900

Thermal Properties

Latent Heat of Fusion, J/g 190
90
Melting Completion (Liquidus), °C 1000
1110
Melting Onset (Solidus), °C 970
930
Specific Heat Capacity, J/kg-K 390
170
Thermal Expansion, µm/m-K 19
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.7 to 12
Electrical Conductivity: Equal Weight (Specific), % IACS 12
4.0 to 6.2

Otherwise Unclassified Properties

Density, g/cm3 8.4
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 120
65 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 1440
1090 to 3830
Stiffness to Weight: Axial, points 7.4
3.4
Stiffness to Weight: Bending, points 19
9.0
Strength to Weight: Axial, points 12 to 21
11 to 19
Strength to Weight: Bending, points 14 to 19
9.8 to 14
Thermal Shock Resistance, points 12 to 21
36 to 63

Alloy Composition

Copper (Cu), % 63 to 67
13.5 to 15.5
Gold (Au), % 0
70.5 to 72.5
Iron (Fe), % 0 to 0.35
0
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 7.0 to 9.0
0
Platinum (Pt), % 0
8.0 to 9.0
Silver (Ag), % 0
4.0 to 5.0
Zinc (Zn), % 20.2 to 28.5
0.7 to 1.3
Residuals, % 0
0 to 0.4