MakeItFrom.com
Menu (ESC)

ASTM B477 Au-Ni-Ag vs. C70260 Copper

ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while C70260 copper belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, 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 C70260 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
120
Elongation at Break, % 5.5 to 11
9.5 to 19
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 34
44
Shear Strength, MPa 190 to 320
320 to 450
Tensile Strength: Ultimate (UTS), MPa 310 to 550
520 to 760

Thermal Properties

Latent Heat of Fusion, J/g 80
220
Melting Completion (Liquidus), °C 1010
1060
Melting Onset (Solidus), °C 930
1040
Specific Heat Capacity, J/kg-K 160
390
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
40 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
40 to 51

Otherwise Unclassified Properties

Density, g/cm3 17
8.9

Common Calculations

Stiffness to Weight: Axial, points 3.1
7.3
Stiffness to Weight: Bending, points 8.9
18
Strength to Weight: Axial, points 5.0 to 9.0
16 to 24
Strength to Weight: Bending, points 6.0 to 8.8
16 to 21
Thermal Shock Resistance, points 16 to 28
18 to 27

Alloy Composition

Copper (Cu), % 0
95.8 to 98.8
Gold (Au), % 74.2 to 75.8
0
Nickel (Ni), % 2.6 to 3.4
1.0 to 3.0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.2 to 0.7
Silver (Ag), % 21.4 to 22.6
0
Residuals, % 0
0 to 0.5