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AWS BAu-3 vs. C64800 Bronze

AWS BAu-3 belongs to the otherwise unclassified metals classification, while C64800 bronze belongs to the copper alloys. They have 62% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-3 and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 220
640

Thermal Properties

Latent Heat of Fusion, J/g 160
220
Melting Completion (Liquidus), °C 1030
1090
Melting Onset (Solidus), °C 970
1030
Specific Heat Capacity, J/kg-K 300
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Density, g/cm3 13
8.9

Common Calculations

Stiffness to Weight: Axial, points 5.0
7.4
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 4.9
20
Strength to Weight: Bending, points 6.4
19
Thermal Shock Resistance, points 8.7
23

Alloy Composition

Chromium (Cr), % 0
0 to 0.090
Cobalt (Co), % 0
1.0 to 3.0
Copper (Cu), % 60.9 to 63
92.4 to 98.8
Gold (Au), % 34.5 to 35.5
0
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 2.5 to 3.5
0 to 0.5
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
0.2 to 1.0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5