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C71500 Copper-nickel vs. ASTM B477 Au-Ni-Ag

C71500 copper-nickel belongs to the copper alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. 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 C71500 copper-nickel and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
95
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 52
34
Tensile Strength: Ultimate (UTS), MPa 380 to 620
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 230
80
Melting Completion (Liquidus), °C 1240
1010
Melting Onset (Solidus), °C 1170
930
Specific Heat Capacity, J/kg-K 400
160
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
14
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Stiffness to Weight: Axial, points 8.6
3.1
Stiffness to Weight: Bending, points 19
8.9
Strength to Weight: Axial, points 12 to 19
5.0 to 9.0
Strength to Weight: Bending, points 13 to 18
6.0 to 8.8
Thermal Shock Resistance, points 12 to 20
16 to 28

Alloy Composition

Copper (Cu), % 63.5 to 70.6
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0.4 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
2.6 to 3.4
Silver (Ag), % 0
21.4 to 22.6
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0
0 to 0.3