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AWS BAu-3 vs. C55282 Copper

AWS BAu-3 belongs to the otherwise unclassified metals classification, while C55282 copper belongs to the copper alloys. They have 62% of their average alloy composition in common. There are 16 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AWS BAu-3 and the bottom bar is C55282 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.37
0.34
Shear Modulus, GPa 41
39
Tensile Strength: Ultimate (UTS), MPa 220
180

Thermal Properties

Brazing Temperature, °C 1030 to 1090
700 to 820
Latent Heat of Fusion, J/g 160
190
Melting Completion (Liquidus), °C 1030
770
Melting Onset (Solidus), °C 970
640
Specific Heat Capacity, J/kg-K 300
400
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Density, g/cm3 13
8.6

Common Calculations

Stiffness to Weight: Axial, points 5.0
6.8
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 4.9
5.8
Strength to Weight: Bending, points 6.4
8.2
Thermal Shock Resistance, points 8.7
7.4

Alloy Composition

Copper (Cu), % 60.9 to 63
87.7 to 88.7
Gold (Au), % 34.5 to 35.5
0
Nickel (Ni), % 2.5 to 3.5
0
Phosphorus (P), % 0
6.5 to 7.0
Silver (Ag), % 0
4.8 to 5.2
Residuals, % 0
0 to 0.15