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C82600 Copper vs. ASTM B477 Au-Ni-Ag

C82600 copper belongs to the copper alloys classification, while ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals. There are 18 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 C82600 copper and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
95
Elongation at Break, % 1.0 to 20
5.5 to 11
Poisson's Ratio 0.33
0.41
Shear Modulus, GPa 46
34
Tensile Strength: Ultimate (UTS), MPa 570 to 1140
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 240
80
Melting Completion (Liquidus), °C 950
1010
Melting Onset (Solidus), °C 860
930
Specific Heat Capacity, J/kg-K 390
160
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
14
Electrical Conductivity: Equal Weight (Specific), % IACS 20
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.7
17

Common Calculations

Stiffness to Weight: Axial, points 7.8
3.1
Stiffness to Weight: Bending, points 19
8.9
Strength to Weight: Axial, points 18 to 36
5.0 to 9.0
Strength to Weight: Bending, points 17 to 28
6.0 to 8.8
Thermal Shock Resistance, points 19 to 39
16 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.3 to 2.6
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.35 to 0.65
0
Copper (Cu), % 94.9 to 97.2
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 0.25
0
Lead (Pb), % 0 to 0.020
0
Nickel (Ni), % 0 to 0.2
2.6 to 3.4
Silicon (Si), % 0.2 to 0.35
0
Silver (Ag), % 0
21.4 to 22.6
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.3