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C19800 Copper vs. AWS BAu-4

C19800 copper belongs to the copper alloys classification, while AWS BAu-4 belongs to the otherwise unclassified metals. 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 C19800 copper and the bottom bar is AWS BAu-4.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.34
0.4
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 430 to 550
200

Thermal Properties

Latent Heat of Fusion, J/g 210
100
Melting Completion (Liquidus), °C 1070
950
Melting Onset (Solidus), °C 1050
950
Specific Heat Capacity, J/kg-K 390
190
Thermal Expansion, µm/m-K 18
14

Otherwise Unclassified Properties

Density, g/cm3 8.9
17

Common Calculations

Stiffness to Weight: Axial, points 7.2
3.6
Stiffness to Weight: Bending, points 18
9.3
Strength to Weight: Axial, points 14 to 17
3.2
Strength to Weight: Bending, points 14 to 17
4.4
Thermal Shock Resistance, points 15 to 20
9.2

Alloy Composition

Copper (Cu), % 95.7 to 99.47
0
Gold (Au), % 0
81.5 to 82.5
Iron (Fe), % 0.020 to 0.5
0
Magnesium (Mg), % 0.1 to 1.0
0
Nickel (Ni), % 0
17.4 to 18.5
Phosphorus (P), % 0.010 to 0.1
0
Tin (Sn), % 0.1 to 1.0
0
Zinc (Zn), % 0.3 to 1.5
0
Residuals, % 0
0 to 0.15