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ASTM B477 Au-Ni-Ag vs. C63600 Bronze

ASTM B477 Au-Ni-Ag belongs to the otherwise unclassified metals classification, while C63600 bronze belongs to the copper alloys. There are 19 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 ASTM B477 Au-Ni-Ag and the bottom bar is C63600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 95
110
Elongation at Break, % 5.5 to 11
30 to 66
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 34
42
Shear Strength, MPa 190 to 320
320 to 360
Tensile Strength: Ultimate (UTS), MPa 310 to 550
410 to 540

Thermal Properties

Latent Heat of Fusion, J/g 80
230
Melting Completion (Liquidus), °C 1010
1030
Melting Onset (Solidus), °C 930
980
Specific Heat Capacity, J/kg-K 160
410
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
12
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
13

Otherwise Unclassified Properties

Density, g/cm3 17
8.6

Common Calculations

Stiffness to Weight: Axial, points 3.1
7.3
Stiffness to Weight: Bending, points 8.9
19
Strength to Weight: Axial, points 5.0 to 9.0
13 to 18
Strength to Weight: Bending, points 6.0 to 8.8
14 to 17
Thermal Shock Resistance, points 16 to 28
15 to 20

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Arsenic (As), % 0
0 to 0.15
Copper (Cu), % 0
93 to 96.3
Gold (Au), % 74.2 to 75.8
0
Iron (Fe), % 0
0 to 0.15
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 2.6 to 3.4
0 to 0.15
Silicon (Si), % 0
0.7 to 1.3
Silver (Ag), % 21.4 to 22.6
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5