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AWS BAu-3 vs. CC212E Bronze

AWS BAu-3 belongs to the otherwise unclassified metals classification, while CC212E bronze belongs to the copper alloys. They have 65% of their average alloy composition in common. There are 15 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 AWS BAu-3 and the bottom bar is CC212E bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 41
47
Tensile Strength: Ultimate (UTS), MPa 220
710

Thermal Properties

Latent Heat of Fusion, J/g 160
230
Melting Completion (Liquidus), °C 1030
1080
Melting Onset (Solidus), °C 970
1020
Specific Heat Capacity, J/kg-K 300
440
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Density, g/cm3 13
8.2

Common Calculations

Stiffness to Weight: Axial, points 5.0
8.5
Stiffness to Weight: Bending, points 13
20
Strength to Weight: Axial, points 4.9
24
Strength to Weight: Bending, points 6.4
21
Thermal Shock Resistance, points 8.7
22

Alloy Composition

Aluminum (Al), % 0
7.0 to 9.0
Copper (Cu), % 60.9 to 63
68 to 77
Gold (Au), % 34.5 to 35.5
0
Iron (Fe), % 0
2.0 to 4.0
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0
8.0 to 15
Nickel (Ni), % 2.5 to 3.5
1.5 to 4.5
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0 to 0.15
0