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C11100 Copper vs. AWS BAu-3

C11100 copper 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 C11100 copper 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 460
220

Thermal Properties

Latent Heat of Fusion, J/g 210
160
Melting Completion (Liquidus), °C 1080
1030
Melting Onset (Solidus), °C 1070
970
Specific Heat Capacity, J/kg-K 390
300
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Density, g/cm3 9.0
13

Common Calculations

Stiffness to Weight: Axial, points 7.2
5.0
Stiffness to Weight: Bending, points 18
13
Strength to Weight: Axial, points 14
4.9
Strength to Weight: Bending, points 15
6.4
Thermal Shock Resistance, points 16
8.7

Alloy Composition

Copper (Cu), % 99.9 to 100
60.9 to 63
Gold (Au), % 0
34.5 to 35.5
Nickel (Ni), % 0
2.5 to 3.5
Residuals, % 0
0 to 0.15