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C55280 Copper vs. AWS BAg-9

C55280 copper belongs to the copper alloys classification, while AWS BAg-9 belongs to the otherwise unclassified metals. They have a modest 22% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C55280 copper and the bottom bar is AWS BAg-9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
82
Poisson's Ratio 0.34
0.35
Shear Modulus, GPa 40
31
Tensile Strength: Ultimate (UTS), MPa 180
140

Thermal Properties

Brazing Temperature, °C 730 to 820
720 to 840
Latent Heat of Fusion, J/g 190
130
Melting Completion (Liquidus), °C 790
720
Melting Onset (Solidus), °C 640
670
Specific Heat Capacity, J/kg-K 410
290
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 8.5
9.6
Embodied Energy, MJ/kg 67
980

Common Calculations

Stiffness to Weight: Axial, points 6.9
4.8
Stiffness to Weight: Bending, points 19
15
Strength to Weight: Axial, points 5.9
4.1
Strength to Weight: Bending, points 8.3
6.3
Thermal Shock Resistance, points 7.4
6.0

Alloy Composition

Copper (Cu), % 90.5 to 91.4
19 to 21
Phosphorus (P), % 6.8 to 7.2
0
Silver (Ag), % 1.8 to 2.2
64 to 66
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.15