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C83600 Ounce Metal vs. ASTM B477 Au-Ni-Ag

C83600 ounce metal 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 (12, in this case) are not shown.

For each property being compared, the top bar is C83600 ounce metal and the bottom bar is ASTM B477 Au-Ni-Ag.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
95
Elongation at Break, % 21
5.5 to 11
Poisson's Ratio 0.34
0.41
Shear Modulus, GPa 39
34
Tensile Strength: Ultimate (UTS), MPa 250
310 to 550

Thermal Properties

Latent Heat of Fusion, J/g 190
80
Melting Completion (Liquidus), °C 1010
1010
Melting Onset (Solidus), °C 850
930
Specific Heat Capacity, J/kg-K 370
160
Thermal Expansion, µm/m-K 18
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
14
Electrical Conductivity: Equal Weight (Specific), % IACS 15
7.5

Otherwise Unclassified Properties

Density, g/cm3 8.8
17

Common Calculations

Stiffness to Weight: Axial, points 6.7
3.1
Stiffness to Weight: Bending, points 18
8.9
Strength to Weight: Axial, points 7.9
5.0 to 9.0
Strength to Weight: Bending, points 10
6.0 to 8.8
Thermal Shock Resistance, points 9.3
16 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 84 to 86
0
Gold (Au), % 0
74.2 to 75.8
Iron (Fe), % 0 to 0.3
0
Lead (Pb), % 4.0 to 6.0
0
Nickel (Ni), % 0 to 1.0
2.6 to 3.4
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
21.4 to 22.6
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 4.0 to 6.0
0
Residuals, % 0
0 to 0.3