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C64800 Bronze vs. AWS BAu-3

C64800 bronze belongs to the copper alloys classification, while AWS BAu-3 belongs to the otherwise unclassified metals. 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 C64800 bronze and the bottom bar is AWS BAu-3.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 8.9
13

Common Calculations

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

Alloy Composition

Chromium (Cr), % 0 to 0.090
0
Cobalt (Co), % 1.0 to 3.0
0
Copper (Cu), % 92.4 to 98.8
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Iron (Fe), % 0 to 1.0
0
Lead (Pb), % 0 to 0.050
0
Nickel (Ni), % 0 to 0.5
2.5 to 3.5
Phosphorus (P), % 0 to 0.5
0
Silicon (Si), % 0.2 to 1.0
0
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0
0 to 0.15