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C81500 Copper vs. ASTM B477 Au-Ni-Ag

C81500 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 (13, in this case) are not shown.

For each property being compared, the top bar is C81500 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, % 17
5.5 to 11
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 44
34
Tensile Strength: Ultimate (UTS), MPa 350
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 210
80
Melting Completion (Liquidus), °C 1090
1010
Melting Onset (Solidus), °C 1080
930
Specific Heat Capacity, J/kg-K 390
160
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 82
14
Electrical Conductivity: Equal Weight (Specific), % IACS 83
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.1
Stiffness to Weight: Bending, points 18
8.9
Strength to Weight: Axial, points 11
5.0 to 9.0
Strength to Weight: Bending, points 12
6.0 to 8.8
Thermal Shock Resistance, points 12
16 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 0 to 0.020
0
Nickel (Ni), % 0
2.6 to 3.4
Silicon (Si), % 0 to 0.15
0
Silver (Ag), % 0
21.4 to 22.6
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0
0 to 0.3